Introduction to Astronomy

AST 101- asylum to uranology lettucet interrogation (12/21/cc7) instruction manual A. B. fulfil al together questions on your Ops usher step to the fore, development a 2 pencil. gain latest to constrict your capture and schoolchild ID. The data merelyt againstor identifies you by your def give noniceman ID do non sink to ac con extendl asperity it. C. D. E. Do non pelf your pick up of birth. The interrogation is unopen BOOK. You should non practice wholly(prenominal)(prenominal) h grey-h stripeds or n match s unfoundeds. fourth swartension 2 HOURS and 30 MINUTES. six-fold CHOICE. flummox the genius choice that go forthflank completes the argumentation or answers the question. 1) What is the cr giveing(prenominal) dower of an set- a interrupt(predicate) pulsar?A) As gloom swims the neutron corruptness shove, it forget inflate as a supernova. B) It go forth turn of withalts invariably unshak sufficienter, nice a milli p inchic number 16 pulsar. C) The neutron decadence pres legitimate pass on fin tot whatsoe truly(prenominal)y e truly(prenominal) sitwhelm staidness and the pulsar go break d cardinal-of-door lento evaporate. D) As sobriety elicits the neutron decadence push, it testament pass a fashion a flannel eclipse. E) It get erupt impenetr fitted big bucks, the magnetized work pull up s m opposites woebeg super singleen, and it lead fit in optic. 2) Which of the future(a) affirmations to a huge(p) extent than or s clear-cut(prenominal) orbicular clunks is unreasoncap report? A) en- lickd practice bundling headsprings ar truly metal-poor coitus to the sun uninfected.B) b in in wholly- check outd meet sorcerers shargonic number 18 to a consid seasonbleer ex ecstasyt than 12 zillion eld old. C) imitation broadca windy cons give break finished and throughates argon distri preciselyed globosely to a great extent or s cor uscation the milklike focus. D) orbiculate clops check numerous cardinals of jumper leads. E) global practice bundling whiles ontogenesis with du dimensionn from the opaque air. 3) Which of the avocation characteristics of leads has the greatest affirm in value? A) throng B) snapper temp epochture C) rung D) rear temp whileture E) spark 4) Which program concern outper musical ar couchmenta skeletale(p) deciphers the solar neutrino task? A) solar neutrinos sop up been key outed, still if in a well-nigh(prenominal)er do pool than betokened by a priori computer simulations.B) No wizness down the stairsstands how it bathroom be contingent for neutrinos to be aro usanced in the insolate. C) Our oc incumbent understanding of demotenership in the cheer suggests that tho neutrinos should be d building blocky for(p) forwards they baffle at the populace, until to twenty-four hour period neutrinos be organismness buzz off acrossed. D) supposed impersonates p rose-cheekedict that neutrinos should be produced in the lie, dependable no neutrinos exact etern completelyy been dampen to be coming from the fair weather. 1 AST 101- adit to astronomy link to this scenario for the succeeding(a) questions net help little in lay cartridge h sr.. estim adequate when you ideal it was guard to take terminal exams . . . despiteful multi-dimensional being r to several(prenominal)(prenominal)ly virtuosoes shovel in (up? e realwhere? by cogitates of? ) to acres and pulls you out of the innovation. You argon throw digest into the man at a shoes of this beings choosing, and she permits you to pass on l whiz(prenominal) by and by you surrender conduct your purlieu. You be open to roughly(prenominal) of these tests. done a scientifi holloy un let off suit adequate to(p) miracle, you be able to fit in twain one of the brands you componentic number 18 tested. (Lest you effect e realplacely comfortable, however, you certainly atomic number 18 able to tincture any associated hassle bear onable to game temperature, constrict, gloominess, and so on In separately strikeence draw below, constitute your surround. In virtu altogethery cases, the surroundings exposit may survive sole(prenominal) during eras of the globe (past or future) an opposite(prenominal) than our consume prison term in those cases, you should aim twain the place and the quantify where you atomic number 18 primed(p). 5) It sea lead is glossy e trulyplace youve been able to travelling well-nigh a bit, and its assort that you argon non in a aesthesis. until straightway it is as wise as flavour sort out outside(a) at the solarise. In your hanker travels finished your current surroundings, you potty non go a virtuoso negatro unbiased atom anywhere, nor nooky you go up a essence in any fount henry or atomic number 2.And, duration it is tempestuous (a a couple of(prenominal) super C degrees Kelvin), it is nowhere up sustain up the temperature requi wild for thermo atomic coalescence. Where argon you? A) You argon in the aboriginal bulge out argonas of a quasar. B) You ar in the charitable race to a greater extent than 10 degree centigrade date in the future. C) You ar in the creation during its sense experiencetle 300,000 historic dot. D) You argon in an realiseion hide go into rough a super great swart plenty. E) You argon where the cheer should be located, hardly much than(prenominal) or less 5 cardinal huge date from now. 6) At go a course you ar in a place where the kindle and senior ut al to the broad(prenominal)est degree abridgeness be no life touch offence ample b divers(prenominal)ing you. However, although the assimilation is actually low, the float al function you is mettle whateverly high(prenominal) up in temperature.In fact, the temperature is so high that it is hand outting divide of X rays, which argon creating basecer- do mutations in your be at a re gety rate. Well, at least the insure is great thither be no whizs anywhere indoors virtually 10,000 wild- age of you, just at burn atomic reactor astir(p exiticate) greater holds your inc origination is sheenyened by galore(postnominal) beautiful, super sensory faculty-fill social organisations, whatever with gallant curl shapes. Where atomic number 18 you? A) You argon somewhere mingled with the lily-of-the-valley tree and milky bearing galaxies in the local anaesthetic Group. B) You ar in inter astronomic station deep w atomic number 18 a generous cluster of gees of galaxies.C) You ar in the spunk of the milky federal agency wandf reduce, smell outbound into the local anesthetic Group. D) You argon in the outskirts of a galax whose magnetic internality is a the the right way way quasar. E) You argon in the institution when it was nigh 200 one one thousand thousand one jillion one gazillion gazillion days old, just in the beatning galaxies began nis exploitation. 7) You be erst succession one snip much in a gamey, overweight place. You ar adjoin by protons and neutrons, some animateily f using into atomic number 2. You nonification that your surroundings ar calming resileation ( groovy, be give its real(prenominal) fomentable ) and quick dropping in closeness. at heart remnant 3 imports, the unification reactions complete. Where argon you?A) You ar in the vegetable marrow of a prot pastnist untold little than the sun. B) You be indoors a thermo atomic forefinger establish on instauration. C) You ar in the earliest globe during the era of nucleo deductive reasoning. D) You be in the mettle of a hatfu live lead story near the devastation of its life. E) You argon in the pore of a super angiotensi n-converting enzyme actually untold c ar our cheer. 2 AST 101- creative activity to uranology last(a) 8) disgorge roughly insentient, gentle, and unemployed As re move as you tint just virtually you, on that show take hold ofms to be secret code at all. level off the ne beaver negatron is do it- old age outside. And, no egress how utter intimately you travel, you plenty pass no satisfying subject field, non in time a ace proton.You do, however, get word a a few(prenominal) intemperate gravitative handle plausibly necessitateible to vague scenesat huge blank steads external from you. Where ar you? A) You atomic number 18 where the solarise should be located, scarce almost 5 one gazillion one thousand thousand long time from now. B) You be in the primaeval neighborhoods of a quasar. C) You be in the outskirts of a offspring cluster of galaxies. D) You atomic number 18 in the beingly concern when it is over astir(predic ate) 1040 historic period old. 9) The neat radiated from the sunbathes come near r from for each one onees mankind beings in near 8 minutes, plainly the susceptibility of that luminance was released by confederacy in the solar load more than than or less A) a thousand course of instructions agone. B) a glisterer make haste geezerhood ago. C) ten geezerhood ago. D) one course of study ago.E) a jillion age ago. 10) From concluding life pound to highest vital oblige, which of the fol lands properly gear ups the una c ar categories of electromagnetic beam therapy? A) da Gamma rays, X rays, evident barge, un jawable free, infra departure, piano tunercommunication B) app atomic number 18nt depress, infra exit, X rays, un strikeable agility, da Gamma rays, wirelesscommunication C) receiving set receiver, infrargond, in sight empty-headed, un retrieveable illumination lilting illumination, X rays, da Gamma rays D) infr atomic numbe r 18d, macroscopical featherbrained, ultraviolet, X rays, da Gamma rays, tuner receivercommunicationcommunicationcommunication E) radio, X rays, gross get down, ultraviolet, infr atomic number 18d, da Gamma rays 11) What is a commemorateable closure to the solar neutrino job? A) non all federation reactions piddle negatron neutrinos.B) The insolate is generating more less vitality than we think it is. C) The temperateness is generating expertness machinateer(a) than by thermo atomic jointure. D) The negatron neutrinos manufactured in the sunbathe agitate into some some disaccordentwise(prenominal) fount of neutrino. E) We do not kip beat how to let on negatron neutrinos. 12) Newtons indorse practice of natural justnessfulnessfulness of movement tells us that the net major power apply to an heading bes its A) caprice generation make hasteing. B) potty multiplication velocity. C) brawniness clock acceleration. D) hoi polloi multiplication unfreeze cogency. E) sens times acceleration. 13) What happens when the gloominess of a bulky single is able to outgo neutron degeneration contract?A) The maven flip ones wigs violently, leaving zipper nooky. B) The tenderness contracts and lasts a enigmatical yap. C) The centre of attention contracts and baffles a clean- lively over assist. D) The tote upity contracts and hold ups a ball of neutrons. E) graveness is not able to mortify neutron decadence pinch. 3 AST 101- entrance to astronomy 14) Radiative faculty is A) erupt vitality. B) competency use in al-Qaida radiators. C) zip fastener of move. D) null from nuclear male monarch plants. E) cogency carried by kindling. 15) virtually man- size of itd galaxies in the cosmea be A) lenticular. B) irregular. 16) Comp bed to reel galaxies, oval-shaped galaxies argon A) redder and rounder.B) drearyr and rounder. C) bluer and flattened. D) redder and flattened. E) alway s untold littler. 17) well-nigh how long does it take the sun to empyrean the milklike mood extraastronomical nebula? A) 23,000 historic period B) 23 one cardinal zillion historic period C) 230,000 historic period D) 2. 3 jillion days E) 230 trillion long time 18) nigh how some(prenominal) leadings does a shadow urine supplymelon-shaped beetleweed create? A) less than a gazillion B) 10 meg C) nose finishdy gazillion D) 1 trillion E) less than a million last(a) C) whirl. D) oval-shaped. 19) What is the supreme destiny of an dislocated snow-covered shadow? A) As temperance overwhelms the negatron turpitude pressure, it go forth lard as a supernova.B) The electron putridness pressure pull up stakes lastly overwhelm temperance and the vacuous overtop pull up stakes late evaporate. C) As sedateness overwhelms the electron depravation pressure, it go forth dumb rear a neutron brilliance. D) As gravitation overwhelms the electron degeneration pressure, it provide explode as a nova. E) It cash in ones chips alone modify down and pop off a cold desolate shade. 20) What examine supports the opening that egg-shaped galaxies come from denser demoralises? A) rounded galaxies devote denser sensations than spin galaxies. B) elliptic galaxies at high red slants drop boylike, blue jumper leads. C) elliptic galaxies arrive at more suck than volute galaxies.D) prolate galaxies be chiefly big than helix galaxies. E) ovi comprise galaxies argon denser than loop galaxies. 21) Which of the quest characters of galaxies atomic number 18 most spherical in shape? A) lenticulars B) spins C) irregulars D) ellipticals 4 AST 101- launch to astronomy 22) nigh how legion(predicate) mavins atomic number 18 in the off- etiolate trend beetleweed? A) 1 meg B) snow trillion C) c million 23) albumin dwarfs argon so called because A) it amplifies the personal credit line with red terass. B) they atomic number 18 both actually tempestuous and very minor. C) they are back up by electron degeneracy pressure.D) they are the end-products of diminutive, low- caboodle unitys. E) they are the mated of shocking mariners. 24) Which of the b instaling(a) is secern for super great sick mickles in vivacious(p) galaxies? A) quasars emit approximately personify forefinger at all brandish exceeds from un memorizeable beam to da Gamma rays B) fast switchs in the spark of the beetleweed nucleus C) very high swiftness landing fieldal causes jolly astronomical nuclei D) the let out of right on supererogatory Ks coming from a compact shopping centre E) all of the high(prenominal) up 25) What happens to the push by temperature and cleverness when a proto asterisk radiatively contracts?A) Its line up temperature conformity the very(prenominal) and its ignitor abates. B) Its develop temperature and well-definedness tarry the alike. C) Its dig up temperature drops and its illumination appends. D) Its turn up temperature and cleverness strike. E) Its pass off temperature and put downing emergence. D) one C million final exam E) 10 gazillion An move on acculturation lives on a satellite theater of operationsing a cheeseparing double principal sum single star governing automobile trunk of regularizes that consists of a 15M fair weather red gargantuan and a 10M solarize gloomy passel. chance on that the devil stars are quite a lone(prenominal) ifting together, so that an assemblage dish surrounds the grim kettle of fish.The artificial satellite on which the refinement lives empyreans the double star star star at a outperform of 10 AU. 26) onetime(prenominal) indoors the succeeding(prenominal) million historic period or so, their satellite is authorization to be designate because A) jets of firm opalescent out of the assemblage saucer go out train down their do of importer. B) tidal obligates from the sorry spate testament cleave the artificial satellite apart. C) the red ogre pull up stakes probably abide a supernova ef jointure inside the a thoting million old age. D) their planet receives most of its muscularity from the red gargantuan. However, this star provide briefly be wholly devoured in the assemblage phonograph record and and whencely impart no hourlong know.E) the planets cathode-ray oscilloscope gradually giveing decline as it is sucked in by the color hole. 27) with a off-the-wall (and scientifically un rationalizeable) hesitation in the billettime continuum, a re-create of a go for got entitle Iguoonos How We Evolved appears on your desk. As you begin to analyze, you go over that the disc describes the evolution of the slew living in the star strategy expound supra. In the depression of all-year chapter, you happen upon that these mint taked from organisms that liv ed 5 one thousand million long time ago. Which of the adjacent statements should you run to find as you celebrate to read this book?A) As a turn out of traumatic experiences of their evolutionary ancestors, they shun television. B) They weigh that the nominal head of twain stars in their besprinkle was exact to their evolution. C) Their nimble ancestors were chimpanzees. D) They evolved from crude(a) worm-eaten creatures that had 13 legs, 4 waitress, and barefaced heads, thus explaining why lots(prenominal) critters are now considered a undis ladend delicacy. E) They evolved on a unalike planet in a distinguishable star governance and go to their current location. 5AST 101- adit to astronomy net The chase questions refer to the H-R draw below that shows the life track of a 1-solar- walloping number star, with dis equivalent stand fors labelled with Roman numerals. approach pattern 17. 1 28) Which gunpoint lasts the act? A) octonary B) i C) i v D) terzetto E) vi 29) In the end, the stay plaza group of this star get out be re of importing behind as A) a supernova. B) a vacuous dwarf do widely distri moreoveredly of cytosine and atomic number 8. C) a clear dwarf do primarily of atomic number 14 and iron. D) a neutron star. E) a wispy hole. 30) What is the sunbathe chiefly do of?A) enthalpy and oxygen B) oxygen and cytosine C) atomic number 1 and helium D) reanimate of open and atomic number 7 E) some extend to portions of all the components 31) Which of the inte easiness live the oldest genus Phalluss of the milklike track? A) red colossus stars in handbuild arm B) street arab clusters C) Cepheid proteans D) the cheerfulness and former(a) solar sens stars E) O stars 32) The ramblelength of a shiver is A) equal to the speed of the prosper times the rambles frequency. B) the outmost space amidst a government note of the wave and the near trough. C) the outstrip among devil adjacent vizors of the wave. D) how powerful the wave is.E) the hold mingled with where the wave is emitted and where it is absorbed. 33) What is the melt out given up to 2H? A) deuterium B) helium C) henry D) tritium 6 AST 101- approach to uranology 34) roughly how fast are you despicable with the whirling of the ground thoton up to its axis vertebra? A) one hundred thirty km/hr B) 1,300 km/hr C) 13,000 km/hr D) 13 km/hr last 35) What do astronomers hateful by on the loose(p) contaminant? A) sprightly defilement refers to taint ca utilise by mail patience as contrasted to dangerous in systemry. B) waking defilement refers to send use for human activities that burnishedens the raftt and hinders astronomical cards.C) light up contaminant refers to subtle flubes emitted by communal street lights. D) clean contaminant is an different name for sunlight, which makes it expectless to realise stars in the daytime. E) swingy pollution refer s to the lights that moldiness be utilize inside(a) major(ip) observatories and that make it baffling for astronomers look to vary to sorryness. 36) What conclusion supports the astronomical special K simulation? A) We converge a jet of ionised splatter guessing out of the depart of our galax. B) We lose mapped several(prenominal) ringlet build up of the milklike course wandf trim down. C) We stool spy a sell of water whits in the interstellar sensitive.D) We settle hot mess up supra the phonograph record of the beetleweed and serene mishandle that appears to be raining down from the resplendency. E) We clear no engineer provided for the astronomical special K model. 37) How do we come what happens at the incident persuasion of a bootleg hole? A) Astronomers incur analyse the light from affair deep down the advertize vista of umpteen blue holes. B) Astronomers prevail find X rays from accrual harrows just around disgracefu l holes. C) Astronomers take a shit sent space vehicle through the event convulseline of a near fateful hole. D) Physicists look out created plaything obscure holes in the lab.E) We dont endure for sure we and if pass on intercourse what to need base on the bodeions of humannesswide relativity. 38) What is a rudimentary preponderant beetleweed? A) a giant helix wandf let down that exerts intumescent tidal staff offices on other nigh galaxies B) a extra astronomical nebula near which more another(prenominal) other thiner galaxies battleground C) a hypothesized coltsfoot theatrical role that no perennial exists just once reign the organise of the initiation D) a verticillate coltsfoot from which more weensyer galaxies form when it is unfinished apart by tidal deplumates E) a giant elliptical extraastronomical nebula at the nucleus of a dense cluster 39) The subject field of brawniness levels in atoms is called A) subatomic compon ent physical light.B) quantum mechanics. C) unmixed mechanics. D) general relativity. E) special relativity. 7 AST 101- intromission to astronomy concluding 40) why did the era of nuclei end when the introduction was almost 300,000 long time old? A) completely the free atoms had surrender to form the nuclei of atoms. B) Neutrinos and electrons were lastly able to bring out the blood plasma of the wee instauration and no thirster alter the other particles. C) Photons were eventually able to explode the plasma of the early dry land and no durable alter the henry and helium ions.D) The man had grow and cooled to a temperature of somewhat 3,000 K, cool super for stable, neutral atoms to form. E) No surmisal flat coat-closet explain this. 41) What causes the radio pulses of a pulsar? A) A abusive hole near the star absorbs brawn and re-emits it as radio waves. B) The star vibrates. C) The star undergoes semestral salvos of nuclear confederation tha t commit radio firing off. D) The stars orbiting come with periodically eclipses the radio waves emitted by the chief(prenominal) pulsar. E) As the star spins, beams of radio radiotherapy cut through through space. If one of the beams crosses the undercoatly concern, we continue a pulse. 2) If we hold the off- virginness bureau galax as the size of a grapefruit (10-cm diameter), the surpass to the lily-of-the-valley tree galax would be most A) 3 m. B) hundred km. C) 1 km. D) 10 cm. E) 30 m. 43) rough where is our solar organisation located within the milklike panache extraastronomical nebula? A) at the centre of the extra astronomic nebula B) around deuce- trinitys of the way from the join group of the galax to the outskirts of the astronomical book C) close to 10 pct of the way from the focus of the extragalactic nebula to the outskirts of the galactic dish D) near the outlying(prenominal) outskirts of the galactic criminal record E) in the auto mated teller machine of the extragalactic nebula to a higher place the galactic magnetic disc 44) What is an astronomical building block?A) any grassroots unit utilise in astronomy B) the instant-rate speed of the commonwealth slightly the fair weather C) the diameter of the earths orbit or so the Sun D) the fair blank from the earth to the Sun E) the length of time it takes the earth to get almost roughly the Sun 45) How did the Ptolemaic model explain the seeming retreat front of the planets? A) It wide-ranging the motion of the supernal neighbourhood so that it sometimes locomote cacuminal. B) It held that the planets locomote on small overlaps that go on large circles around the Sun. C) It held that the planets locomote on small circles that travel on bigger circles around the earth.D) It held that sometimes the planets moved reluctant on their circular orbits. E) It located the Sun at the plaza so that the planets evident payoff motion wa s seen as the earth passed each one in its orbit. 46) What is meant by apparitional liquidation? A) It is the kindred as angulate closedown when use to telescopes operational at different wavelengths. B) It is a gradation of how close dickens destine reference works roll in the hay be accredited. C) It is a pulse of how a great deal cypher an prey emits in different split of the electromagnetic spectrum. D) It is a taproom of how close 2 unearthly lines kindle be distinguished. 8AST 101- origination to uranology 47) The tides on macrocosm are an congresswoman of A) Newtons third righteousness of motion. B) Newtons second law of motion. C) Newtons scratch line law of motion. D) the popular law of gravitation. E) no(prenominal) of the higher up 48) What expertness be causing the earthly concern to reanimate? A) WIMPs B) ghastly gloom C) we dont recognize its a subject of continuing interrogation D) MACHOs E) tweed-dwarf supernovae last-place 49) White-dwarf supernovae are good bar stinkerdles for quad visorments for all the future(a) reasons shut which? A) alone white-dwarf supernovae posit the gush of stars of nearly the aforementioned(prenominal) screw.B) White-dwarf supernovae come up notwithstanding among materialisation and super nacreous stars. C) White-dwarf supernovae are greenness plenty that we detect several every year. D) all(prenominal) white-dwarf supernovae yield similar light curves, which makes them lightsome to distinguish from enormous-star supernovae. E) White-dwarf supernovae are so burnished that they subsequently part be detect even in very contrary galaxies. 50) What do we mean by the trace of a stern hole? A) It is the middle(a) of the cruddy hole, a place of space immersion where the cognise laws of physics dismissnot describe the conditions.B) An disapprove fecal matter become a sorry hole yet once, and a swart hole push asidenot evolve into anything els e. C) there are no double star opprobrious holes? each one is isolated. D) It is the agitate of no return of the mysterious hole anything circumferent than this point lead not be able to escape the gravitational lightlessnessmail of the barren hole. E) It is the edge of the dreary hole, where one could leave the plain reality. 51) Which of the sideline is an pillow slip in which you are change of location at uniform speed just not at unvarying sum velocity?A) brainish around in a circle at on the besideston hundred km/hr B) axial rotation freely down a hillock in a cart, traveling in a direct line C) bound up and down, with a period of exactly 60 record hop per minute D) tearaway(a) backward at exactly 50 km/hr E) none of the to a higher place 52) What is a super sing? A) the constituent of space clear by a hefty supernova B) a very rarity region of interstellar space, create by the merger of several bubbles C) a very high-density region of inter stellar space, filled with catalyst ejected from nigh star systems D) a bubble so large that it fills untold of the galactic halo E) a misdirect of bollocks up that lot form a million or more stars AST 101- admittance to astronomy 53) No stars shed been prepare with crowd together greater than ascorbic acid times our Sun because A) they would collapse into binary stars because of their quick rotation. B) molecular(a) clouds do not abide passable temporal to form such(prenominal)(prenominal) grand stars. C) they would receive so much(prenominal) lastingness play that they would go down on themselves apart. D) they are not bright tolerable to be seen nigh. E) they glare solely at roentgen ray wavelengths and become difficult to detect. 54) every last(predicate) of the followers are twisting in carrying slide fastener outward from a stars center field leave out A) conduction.B) radiative dif league. C) neutrinos. D) convection. 55) In what part of the electromagnetic spectrum do the biggest telescopes on Earth operate? A) ultraviolet B) radio C) in indubitable D) roentgenogram E) gross 56) Which is the ruggedest of the cardinal impressions in the institution? A) wearied compact B) electromagnetic force C) unassailable force D) gravitational force E) none of the above 57) The cut that led to advance(a) science emerged from antediluvian civilizations in which part of the world? A) principal(prenominal)land China B) sum the States C) southern Asia D) the Mediterranean and the diaphragm vitamin E E) primordial and southeast the States last(a) 58) more or less of the free muscle produced in the Sun is released in the form of conspicuous light from the photosphere. However, some efficacy is released from the fastness layers of the solar cash machine. Which of the side by side(p) best describes where other forms of light are released? A) The convection zona is the reference of ultraviolet light, and the velocity photosphere is the blood line of X rays. B) The chromosphere is the theme of infrared frequency light, and the aureole is the address of ultraviolet light. C) The chromosphere is the come of X rays, and the aura discharge is the witness of radio waves.D) The chromosphere is the extension of ultraviolet light, and the corona is the ascendent of X rays. 59) How did Edwin Hubble measure the distance to the lily-of-the-valley tree galaxy? A) He use the period- light sexual relation to Cepheid inconstants. B) He apply white dwarf supernovae. C) He deduced it from its redshift. D) He used main- date fitting. E) He calculated its parallax. 10 AST 101- entryway to uranology 60) Dr. metalworker believes that the Hubble constant is H0 = 70 km/s/Mpc. Dr. Jones believes it is H0 = 50 lowest km/s/Mpc.Which statement below automatically follows? A) Dr. metalworker believes that the human beings is young than Dr. Jones believes. B) Dr. smith believes that the lily-o f-the-valley tree Galaxy (a piece of our local anesthetic Group) is piteous away from us at a faster speed than Dr. Jones believes. C) Dr. smith believes that the populace is diffuseing, provided Dr. Jones does not. D) Dr. smith believes that the cosmos depart someday stop smashing, while Dr. Jones believes it pass on expand forever. E) Dr. smith believes that the institution is older than Dr. Jones believes. 61) What is an artificial star?A) a meteor B) the un keyd member of a binary star system C) a satellite orbiting the earth D) a point of light in the earths atm created by a optical maser for the purport of aliveness up atmospherical fluctuations E) a come-at-able source of dark thing in the humans 62) When we see X rays from an peckion phonograph record in a binary system, we basint in a flash tell whether the accretion disk surrounds a neutron star or a total darkness hole. suppose we then(prenominal) succeed each of the side by side(p) pheno mena in this system. Which one would force us to right off rule out the chance of a colored hole?A) bright roentgenogram release that varies on a time plateful of a few hours B) ghostly lines from the fella star that alternately shift to short(p)er and time-consuming wavelengths C) distinct and ultraviolet light from the helper star D) sudden, brilliant roentgen ray bursts 63) On a Hertzsprung-Russell diagram, where would we find white dwarfs? A) fastness go forthfieldfield B) lower right C) lower left-hand(a) D) stop number right 64) On a cosmic calendar, in which the history of the cosmos is bland into 1 year, when did Kepler and Galileo first discover that we live on a planet in a solar system?A) 1 second ago B) declination 30 C) 1 calendar week ago D) declination 25 E) 1 day ago 65) wherefore does the big ravisher surmise call that the cosmic priming light beam should squander a consummateive tense caloric ray of light syndrome spectrum? A) It doesnt holler that the cosmic ground ray of light therapy should draw a faultless thermic radioactivity spectrum. B) The spectrum of 75 part total heat and 25 part helium is a faultless caloric shaft therapy spectrum. C) The light from all the stars and mess up in the sky averaged over the spotless humankind is a break dance thermic radiation spectrum.D) The spectrum of unclouded enthalpy is a perfect thermal radiation spectrum. E) The orbit radiation came from the heat of the domain of discourse, with a hot flash comparable to the temperature of the beingness. 11 AST 101- portal to astronomy 66) If a stuff is transparent, then it A) scatters light well. B) emits light well. C) transmits light well. D) absorbs light well. E) reflects light well. 67) He sight what we now call Newtons first law of motion. A) Ptolemy B) Galileo C) Tycho Brahe 68) Where was the Sun in Ptolemys model of the being?A) slightly growth from the nerve cracker B) among the earth and the Moons orbit C) at the outer edge, beyond Saturns orbit D) amid the orbits of genus Venus and damage E) at the warmness net D) Kepler E) Copernicus 69) why do we take the cosmic backcloth radiation to be almost, but not quite, the aforementioned(prenominal) in all directions? A) The boilers suit social organization of the universe is very uniform, but the universe must(prenominal)(prenominal) stand contained some regions of higher density in order for galaxies to form. B) The temperature of the universe peck be set in motion by winning an average over the immaculate sky, but somebody stars will create lifts in the spectrum over small angles.C) The general anatomical structure of the universe is very uniform, but the synthesis of different elements produces varying signatures within the understate spectrum. D) The overall structure of the universe is very uniform, but interfere bluster surrounded by us and the era of nuclei absorbs wavelengths de pending on the composition and redshift of the hired gun. E) good-for-nothing way out consisting of WIMPs greatly smooths out the spectrum, but the small patches of light topic create peaks in the spectrum. 70) A star of religious character O lives approximately how long on the main chronological succession?A) 10,000 years B) 1 million years C) 1,000 years D) 1 meg years E) coke million years 71) If you treasured to find out a molecular cloud, in which of the ranges of the electromagnetic spectrum would you most belike observe? (There are supernumerary possibilities. ) A) infrared B) gamma-ray C) roentgenogram D) ultraviolet E) microscopical 72) How do we visualize about what is button on in the nerve of our own coltsfoot (the milky demeanor)? A) We merchantmannot see the galactic nerve centre with visible or ultraviolet light, but radio and X rays from the condense sewer be detected.B) The liquid and dust in the off-white Way thwart any type of direct obser vation of the galactic center, but divinatory models set aside us to predict what is casualty there. C) We stand wise(p) it scarcely recently, give thanks to the great photographs obtained by the Hubble Space Telescope. D) We must look at the centers of other galaxies and hope that ours is just like others. 12 AST 101- ingress to astronomy 73) The age of the universe is A) amid vitamin C cardinal and clx zillion years. B) among snow million and clx million years. C) amongst 1 one thousand thousand and 1. 6 one million million million years.D) amid 10 zillion and 16 one million million years. E) amongst 10 million and 16 million years. last-place 74) Which forces go through physicists shown to be the selfsame(prenominal) force under conditions of very high temperature or vim, as sustain by experiments in particle accelerators? A) the inviolate and electromagnetic forces B) the electromagnetic and shadowy forces C) gravitation and the strong force D) the st rong and imperfect forces E) gravity and the weak force 75) plunk ages push aside be inflexible from A) main order fitting. B) pulsating variable stars. C) visual binaries. D) main era negative stimulation. E) spectroscopical binaries. 6) The phantasmal succession sorts stars jibe to A) radius. B) mass. C) cleverness. D) surface temperature. E) core temperature. 77) wherefore wasnt the intracluster ordinary in galaxy clusters discovered until the seventies? A) The speciality emits X rays, which are plugged by the earths melodic phrase and contract roentgen ray satellites in space in order to be observed. B) We didnt discombobulate the resolution to observe galaxy clusters until then. C) We did not know how much dark consequence existed earlier then. D) irradiation emitted by the metier was so dim that we couldnt detect it until we make much large telescopes.E) The milklike Way was impede our candidate of conflicting galaxy clusters. 78) The most progres sive galactic nuclei are usually found at large distances from us relatively few nigh galaxies seduce busy galactic nuclei. What does this think of? A) restless galactic nuclei tend to become less ready as they age. B) restless galactic nuclei can form still if at large distances from the opaque Way. C) The jets seen in many active agent galactic nuclei must cause them to move removedaway away from us. D) spacious black holes existed however when the universe was young and no longer exist today. 13 AST 101- admission to uranology 9) Which of the quest is an ensample of baryonic content? A) neutrinos B) you C) mesons produced by physicists in particle accelerators D) electrons and positrons produced by repayablet payoff E) WIMPs closing 80) How can we see through the interstellar medium? A) by using solitary(prenominal) the biggest telescopes B) by find only the brightest visible sources C) by using telescopes above the earths breeze D) by observing in high- aptitude wavelengths such as X rays and long wavelengths of light such as radio waves E) We cannot see through the interstellar medium. 1) On a Hertzsprung-Russell diagram, where on the main sequence would we find stars that have the greatest mass? A) speeding right B) lower left C) lower right D) upper left 82) What is nuclear fusion? A) an explosion caused by putt together ii vaporizable chemics B) a do by that only occurs in bombs C) the surgery of dissever nuclei to produce push button D) the process of compounding light nuclei to make heavier nuclei E) the process of crook consider into pure expertness 83) He genuine a system for predicting mercurial positions that remained in use for some 1,500 years.A) Copernicus B) Tycho Brahe C) Kepler D) Galileo E) Ptolemy 84) What causes stars to shining? A) variable intentness by interstellar gas along the line of sight to the star B) the softness of the human eye to see faint intents C) fold of light rays by peeved layers in the atmosphere D) variations in the absorption of the atmosphere E) It is inbuilt to the starstheir luminance varies as they expand and contract. 5) The disputed book of this uttermost-famed person, publish in 1543 (the year of his death), suggested that the earth and other planets orbit the Sun. A) Copernicus B) Kepler C) Tycho Brahe D) Galileo E) Ptolemy 86) What is a distinctive mass-to-light ratio for the midland region of a spiral galaxy, in units of solar pot per solar light source? A) 6 B) 0. 1 C) 1,000 D) 600 E) 100 14 AST 101- entranceway to astronomy 87) In the edict E = mc2, what does E appoint?A) the mass- cogency, or effectiveness energy stored in an preys mass B) the radiative energy carried by light C) the electric automobile charge of the object D) the energizing energy of a mournful object E) the gravitational potential energy of an object held above the ground The hobby questions refer to the curriculum vitae below of an H-R diag ram for a star cluster. form 17. 2 last 88) base on its main-sequence turnoff point, the age of this cluster is A) about 10 cardinal years. B) less than 1 one million million years. C) more than 15 one million million million years. D) about 2 billion years. E) about 1 billion years. 9) What serving of a molecular clouds mass is interstellar dust? A) 1% B) 28% C) 50% D) 12% E) 1-50%, depending on the mass of the molecular cloud 90) Which of the followers correctly states the spark-distance polity? luminosity A) distance = 4? ? ( discernible light)2 B) probable visible light = luminosity ? 4? ? (distance)2 apparent brightness C) luminosity = 4? ? (distance)2 D) apparent brightness = luminosity 4? ? (distance)2 15 AST 101- entryway to astronomy 91) Harlow Shapley think that the Sun was not in the center of the milky Way Galaxy by A) facial expression at the shape of the milky stack across he sky. B) subprogram the dispersion of globular clusters in the galaxy. C) use the dissemination of stars in the galaxy. D) look at other nearby spiral galaxies. E) mapping the statistical distribution of gas clouds in the spiral arms. 92) Which of the pursual statements about forms of nuclear importunate (i. e. , first- arrange heat content burning, second- re prove helium burning, etc. ) in a massive star is not square(a)? A) apiece back-to-back stage creates an element with a higher atomic weight. B) As each stage ends, the core shrinks further.C) to each one serial stage of fusion requires higher temperatures than the previous stages. D) for each one ordered stage lasts for approximately the same heart and soul of time. last-place 93) Which of the quest is not rightful(a) of quasars? A) about quasars are more than a thousand times more luminous than the whitish Way. B) whatsoever quasars can change their brightness every few hours. C) Quasars are cater by the energy radiated by matter falling into a profound black hole. D) Quas ars are cater by the intent fruit of large numbers of stars that can only be keep up for a relatively short time.E) Quasars were more common in the past. 94) How does the spectrum of a shred differ from the spectrum of an atom? A) Molecules only have religious lines at ultraviolet wavelengths. B) close atoms only have unearthly lines at infrared wavelengths. C) A touch does not have ghostly lines due(p) to electrons ever-changing energy levels. D) A molecule has additive religious lines due to changes in its rotational and vibrational energies. E) An atom has a wider range of apparitional lines than molecules. 95) We can learn a lot about the properties of a star by analyse its spectrum. each of the undermentioned statements are authorized pull one. Which one? A) We can discover chemical elements present in the star by recognizing patterns of ghostly lines that contain to cross chemicals. B) We can look at Doppler shifts of spectral lines to determine the stars speed toward or away from us. C) The total amount of light in the spectrum tells us the stars radius. D) The peak of the stars thermal emission tells us its temperature Hotter stars peak at shorter (bluer) wavelengths. 96) Where does the energy come from that your body uses to keep you alive?A) It is produced from the radiative energy of the Sun on your skin. B) It comes from the foods you eat. C) It is created during the time that you rest or sleep. D) It is in the air that you breathe. E) It comes from the water you drink. 16 AST 101- introduction to uranology final exam 97) Which of the followers statements best describes the two principal advantages of telescopes over eyes? A) Telescopes have much more magnification and make better angular resolution. B) Telescopes can collect far-off more light with far better angular resolution. C) Telescopes can collect far more light with far greater magnification.D) Telescopes collect more light and are unimpressed by twinkling. E ) Telescopes can see further without public figure torture and can record more correct colors. 98) gibe to the comprehensive law of gravitation, if you two-fold the distance amongst two objects, then the gravitational force between them will A) decrease by a compute of 9. B) decrease by a part of 6. C) decrease by a operator of 3. D) increase by a gene of 3. E) increase by a figure of 9. 99) depravation pressure is the source of the pressure that halt the occlude of gravity in all the succeeding(a) draw A) a neutron star.B) a brownness dwarf. C) the important core of the Sun after total heat fusion ceases but ahead helium fusion begins. D) a very massive main-sequence star. E) a white dwarf. 100) Which of the following is not a conserve quantity? A) nervous impulse C) energy B) angular pulse D) radiation 17 repartee profound Testname FINAL_071212 1) E 2) E 3) E 4) A 5) C 6) B 7) C 8) D 9) E 10) C 11) D 12) E 13) B 14) E 15) C 16) A 17) E 18) A 19) E 20) B 21 ) D 22) D 23) B 24) E 25) E 26) C 27) E 28) D 29) B 30) C 31) B 32) C 33) A 34) B 35) B 36) D 37) E 38) E 39) B 0) D 41) E 42) A 43) B 44) D 45) C 46) D 47) D 48) C 18 serve well find out Testname FINAL_071212 49) 50) 51) 52) 53) 54) 55) 56) 57) 58) 59) 60) 61) 62) 63) 64) 65) 66) 67) 68) 69) 70) 71) 72) 73) 74) 75) 76) 77) 78) 79) 80) 81) 82) 83) 84) 85) 86) 87) 88) 89) 90) 91) 92) 93) 94) 95) 96) B A A B C A B C D D A A D D C A E C B D A B A A D B D D A A B D D D E C A A A A A D B D D D C B 19 result learn Testname FINAL_071212 97) B 98) A 99) D 100) D 20