ThefCosmicfPerspective,f8ef(Bennett)f
Chapterf1ffAfModernfViewfoffthefUniversef
1.1ffMultiple-ChoicefQuestions
1)fWhichfofftheffollowingfhasfyourf"address"finfthefcorrectforder?
A)fyou,fEarth,fsolarfsystem,fLocalfGroup,fLocalfSupercluster,fMilkyfWay
B)fyou,fEarth,fsolarfsystem,fMilkyfWay,fLocalfSupercluster,fLocalfGroup
C)fyou,fEarth,fsolarfsystem,fLocalfGroup,fMilkyfWay,fLocalfSupercluster
D)fyou,fEarth,fLocalfGroup,fLocalfSupercluster,fsolarfsystem,fMilkyfWay
E)fyou,fEarth,fsolarfsystem,fMilkyfWay,fLocalfGroup,fLocalfSupercluster
Answer:ffE
2)fAboutfwherefisfourfsolarfsystemflocatedfwithinfthefMilkyfWayfGalaxy?
A)fatfthefcenterfoffthefgalaxy
B)faboutf10fpercentfoffthefwayffromfthefcenterfoffthefgalaxyftofthefoutskirtsfoffthefgalacticf
disk
C)faboutfhalffwayffromfthefcenterfoffthefgalaxyftofthefoutskirtsfoffthefgalacticfdisk
D)fnearftheffarfoutskirtsfoffthefgalacticfdisk
E)finfthefhalofoffthefgalaxyfabovefthefgalacticfdisk
Answer:ffC
3)fRoughlyfhowfmanyfstarsfarefinfthefMilkyfWayfGalaxy?
A)f1fbillion
B)f100fbillion
C)f10fbillion
D)f100fmillion
E)f100ftrillion
Answer:ffB
4)fModernftelescopesfarefcapablefoffseeingfbrightfgalaxiesfupftofabout
A)f1fmillionflight-yearsfaway.
B)f10fmillionflight-yearsfaway.
C)f1fbillionflight-yearsfaway.
D)f10fbillionflight-yearsfaway.
E)f1ftrillionflight-yearsfaway.
Answer:ffD
5)fSupposefwefimaginefthefSunftofbefaboutfthefsizefoffafgrapefruit.fHowfbigfanfareafwouldf
theforbitsfoffthefeightfplanetsfoffthefsolarfsystemfcover?
A)fthefsizefoffaftypicalfdormfroom
B)fthefsizefoffaftypicalfcampusfbuilding
C)fthefsizefoffaftypicalfcampus
D)fthefsizefoffafsmallfcity
,E)fthefsizefoffafwesternfstatef(e.g.,fColorado)
Answer:ffC
,6)fWhatfdofwefmeanfwhenfwefsayfthatfthefuniversefisfexpanding?
A)fAveragefdistancesfarefincreasingfbetweenfstarfsystemsfwithinfgalaxies.
B)fEverythingfinfthefuniversefisfgraduallyfgrowingfinfsize.
C)fAllfgalaxiesfarefincreasinglyfmovingfawayffromfonefanother.
D)fThefstatementfisfnotfmeantftofbefliteral;frather,fitfmeansfthatfourfknowledgefoffthefuniv
ersefisfgrowing.
E)fIndividualfgalaxiesfarefgraduallyfgrowingfinfsize.
Answer:ffC
7)fThefagefoffthefuniversefis
A)fbetweenf10fmillionfandf16fmillionfyears.
B)fbetweenf100fmillionfandf160fmillionfyears.
C)fbetweenf1fbillionfandf1.6fbillionfyears.
D)fbetweenf10fbillionfandf16fbillionfyears.
E)fbetweenf100fbillionfandf160fbillionfyears.
Answer:ffD
8)fHowfarefgalaxiesfimportantftofourfexistence?
A)fWithoutfgalaxies,ftherefcouldfnotfhavefbeenfafBigfBang.
B)fWithoutfgalaxies,fthefuniversefcouldfnotfbefexpanding.
C)fGalaxiesfpreventfplanetsffromfleavingftheirforbitsfaroundfstars;fe.g.,fourfgalaxyfpreven
tsfEarthffromfleavingfitsforbitfoffthefSun.
D)fGalaxiesfrecyclefheavyfelementsfproducedfinfstarsfintoffuturefgenerationsfoffstars.
E)fGalaxiesfprovidefthefgravityfthatfpreventsfusffromffallingfofffEarth.
Answer:ffD
9)fEarthfisfmadefmostlyfoffmetalsfandfrocks.fWherefdidfthisfmaterialfcomeffrom?
A)fItfwasfproducedfinfthefBigfBang.
B)fItfwasfcreatedfbyfchemicalfreactionsfinfinterstellarfspace.
C)fItfwasfproducedfbyfthefnuclearffusionfinfstarsfthatfmadefthefheavyfelements.
D)fItfwasfmadefbyfourfSun.
E)fItfwasfmadefbyfnuclearffissionfoffuraniumfandfotherfradioactivefmaterials.
Answer:ffC
10)fWhatfisfnuclearffusion?
A)fanfexplosionfcausedfbyfputtingftogetherftwofvolatilefchemicals
B)fthefprocessfoffsplittingfnucleiftofproducefenergy
C)fthefprocessfoffturningfmatterfintofpurefenergy
D)fthefprocessfoffcombiningflightweightfnucleiftofmakefheavierfnuclei
E)fafprocessfthatfonlyfoccursfinfbombs
Answer:ffD
, 11)fWhyfdidfCarlfSaganfsayfthatfwefarefstarfstuff?
A)fThefcompositionfoffmostfstarsf(mostlyfhydrogenfandfhelium)fisfaboutfthefsamefasfthefc
ompositionfoffourfbodies.
B)fCosmicfraysfreachingfEarthffromfdistantfastronomicalfsourcesfmayfbefonefsourcefoffm
utationsfthatfhelpfevolutionfalong.
C)fNearlyfeveryfatomffromfwhichfwefarefmadefoncef(beforefthefsolarfsystemfformed)fwasf
insidefoffafstar.
D)fNearlyfeveryfatomffromfwhichfwefarefmadefwasfoncefinsidefourfstar,fthefSun.
E)fSaganfthoughtfthatfallfoffusfhavefthefpotentialftofbefmovief(orfTV)fstarsflikefhefwas.
Answer:ffC
12)fWhichfofftheffollowingfstatementsfdoesfnotfuseftheftermflight-
yearfinfanfappropriatefway?
A)fIt'sfaboutf4flight-yearsffromfhereftofAlphafCentauri.
B)fItfwillftakefmeflight-yearsftofcompletefthisfhomeworkfassignment.
C)fAflight-yearfisfaboutf10ftrillionfkilometers.
D)fItfwillftakefthefVoyagerfspacecraftfaboutf20,000fyearsftoftravelfjustf1flight-year.
E)fThefMilkyfWayfGalaxyfisfaboutf100,000flight-yearsfinfdiameter.
Answer:ffB
13)fOneflight-
hourfisfthefdistancefthatflightftravelsfinfanfhour.fHowffarfisfthis,finfkilometers?f(Recallfthatf
thefspeedfofflightfisf300,000fkm/s.)
A)f300,000fkm
B)f18fmillionfkm
C)f100fmillionfkm
D)f1.08fbillionfkm
E)f9.46ftrillionfkm
Answer:ffD
14)fSupposefweflookfatfafphotographfoffmanyfgalaxies.fAssumingfthatfallfgalaxiesfforme
dfatfaboutfthefsameftime,fwhichfgalaxyfinfthefpicturefisfthefyoungest?
A)fthefonefthatfisffarthestfaway
B)fthefonefthatfisfreddestfinfcolor
C)fthefonefthatfisfbluestfinfcolor
D)fthefonefthatfisfclosestftofus
E)fthefonefthatfappearsfsmallestfinfsize
Answer:ffA
15)fWhatfdofwefmeanfbyfthefobservablefuniverse?
A)fthefpartfoffthefuniversefthatfwefcanfseefwithfthefnakedfeye
B)fthefpartfoffthefuniversefthatfwefcanfseefthroughftelescopes
C)fthefpartfoffthefuniversefthatfcouldfbefobservedfinfprinciple,fincludingfthingsfthatfmayfre
quireffutureftechnologies
D)fthefcompendiumfoffallfobjectsfthatfwefhavefobservedftofdate
Chapterf1ffAfModernfViewfoffthefUniversef
1.1ffMultiple-ChoicefQuestions
1)fWhichfofftheffollowingfhasfyourf"address"finfthefcorrectforder?
A)fyou,fEarth,fsolarfsystem,fLocalfGroup,fLocalfSupercluster,fMilkyfWay
B)fyou,fEarth,fsolarfsystem,fMilkyfWay,fLocalfSupercluster,fLocalfGroup
C)fyou,fEarth,fsolarfsystem,fLocalfGroup,fMilkyfWay,fLocalfSupercluster
D)fyou,fEarth,fLocalfGroup,fLocalfSupercluster,fsolarfsystem,fMilkyfWay
E)fyou,fEarth,fsolarfsystem,fMilkyfWay,fLocalfGroup,fLocalfSupercluster
Answer:ffE
2)fAboutfwherefisfourfsolarfsystemflocatedfwithinfthefMilkyfWayfGalaxy?
A)fatfthefcenterfoffthefgalaxy
B)faboutf10fpercentfoffthefwayffromfthefcenterfoffthefgalaxyftofthefoutskirtsfoffthefgalacticf
disk
C)faboutfhalffwayffromfthefcenterfoffthefgalaxyftofthefoutskirtsfoffthefgalacticfdisk
D)fnearftheffarfoutskirtsfoffthefgalacticfdisk
E)finfthefhalofoffthefgalaxyfabovefthefgalacticfdisk
Answer:ffC
3)fRoughlyfhowfmanyfstarsfarefinfthefMilkyfWayfGalaxy?
A)f1fbillion
B)f100fbillion
C)f10fbillion
D)f100fmillion
E)f100ftrillion
Answer:ffB
4)fModernftelescopesfarefcapablefoffseeingfbrightfgalaxiesfupftofabout
A)f1fmillionflight-yearsfaway.
B)f10fmillionflight-yearsfaway.
C)f1fbillionflight-yearsfaway.
D)f10fbillionflight-yearsfaway.
E)f1ftrillionflight-yearsfaway.
Answer:ffD
5)fSupposefwefimaginefthefSunftofbefaboutfthefsizefoffafgrapefruit.fHowfbigfanfareafwouldf
theforbitsfoffthefeightfplanetsfoffthefsolarfsystemfcover?
A)fthefsizefoffaftypicalfdormfroom
B)fthefsizefoffaftypicalfcampusfbuilding
C)fthefsizefoffaftypicalfcampus
D)fthefsizefoffafsmallfcity
,E)fthefsizefoffafwesternfstatef(e.g.,fColorado)
Answer:ffC
,6)fWhatfdofwefmeanfwhenfwefsayfthatfthefuniversefisfexpanding?
A)fAveragefdistancesfarefincreasingfbetweenfstarfsystemsfwithinfgalaxies.
B)fEverythingfinfthefuniversefisfgraduallyfgrowingfinfsize.
C)fAllfgalaxiesfarefincreasinglyfmovingfawayffromfonefanother.
D)fThefstatementfisfnotfmeantftofbefliteral;frather,fitfmeansfthatfourfknowledgefoffthefuniv
ersefisfgrowing.
E)fIndividualfgalaxiesfarefgraduallyfgrowingfinfsize.
Answer:ffC
7)fThefagefoffthefuniversefis
A)fbetweenf10fmillionfandf16fmillionfyears.
B)fbetweenf100fmillionfandf160fmillionfyears.
C)fbetweenf1fbillionfandf1.6fbillionfyears.
D)fbetweenf10fbillionfandf16fbillionfyears.
E)fbetweenf100fbillionfandf160fbillionfyears.
Answer:ffD
8)fHowfarefgalaxiesfimportantftofourfexistence?
A)fWithoutfgalaxies,ftherefcouldfnotfhavefbeenfafBigfBang.
B)fWithoutfgalaxies,fthefuniversefcouldfnotfbefexpanding.
C)fGalaxiesfpreventfplanetsffromfleavingftheirforbitsfaroundfstars;fe.g.,fourfgalaxyfpreven
tsfEarthffromfleavingfitsforbitfoffthefSun.
D)fGalaxiesfrecyclefheavyfelementsfproducedfinfstarsfintoffuturefgenerationsfoffstars.
E)fGalaxiesfprovidefthefgravityfthatfpreventsfusffromffallingfofffEarth.
Answer:ffD
9)fEarthfisfmadefmostlyfoffmetalsfandfrocks.fWherefdidfthisfmaterialfcomeffrom?
A)fItfwasfproducedfinfthefBigfBang.
B)fItfwasfcreatedfbyfchemicalfreactionsfinfinterstellarfspace.
C)fItfwasfproducedfbyfthefnuclearffusionfinfstarsfthatfmadefthefheavyfelements.
D)fItfwasfmadefbyfourfSun.
E)fItfwasfmadefbyfnuclearffissionfoffuraniumfandfotherfradioactivefmaterials.
Answer:ffC
10)fWhatfisfnuclearffusion?
A)fanfexplosionfcausedfbyfputtingftogetherftwofvolatilefchemicals
B)fthefprocessfoffsplittingfnucleiftofproducefenergy
C)fthefprocessfoffturningfmatterfintofpurefenergy
D)fthefprocessfoffcombiningflightweightfnucleiftofmakefheavierfnuclei
E)fafprocessfthatfonlyfoccursfinfbombs
Answer:ffD
, 11)fWhyfdidfCarlfSaganfsayfthatfwefarefstarfstuff?
A)fThefcompositionfoffmostfstarsf(mostlyfhydrogenfandfhelium)fisfaboutfthefsamefasfthefc
ompositionfoffourfbodies.
B)fCosmicfraysfreachingfEarthffromfdistantfastronomicalfsourcesfmayfbefonefsourcefoffm
utationsfthatfhelpfevolutionfalong.
C)fNearlyfeveryfatomffromfwhichfwefarefmadefoncef(beforefthefsolarfsystemfformed)fwasf
insidefoffafstar.
D)fNearlyfeveryfatomffromfwhichfwefarefmadefwasfoncefinsidefourfstar,fthefSun.
E)fSaganfthoughtfthatfallfoffusfhavefthefpotentialftofbefmovief(orfTV)fstarsflikefhefwas.
Answer:ffC
12)fWhichfofftheffollowingfstatementsfdoesfnotfuseftheftermflight-
yearfinfanfappropriatefway?
A)fIt'sfaboutf4flight-yearsffromfhereftofAlphafCentauri.
B)fItfwillftakefmeflight-yearsftofcompletefthisfhomeworkfassignment.
C)fAflight-yearfisfaboutf10ftrillionfkilometers.
D)fItfwillftakefthefVoyagerfspacecraftfaboutf20,000fyearsftoftravelfjustf1flight-year.
E)fThefMilkyfWayfGalaxyfisfaboutf100,000flight-yearsfinfdiameter.
Answer:ffB
13)fOneflight-
hourfisfthefdistancefthatflightftravelsfinfanfhour.fHowffarfisfthis,finfkilometers?f(Recallfthatf
thefspeedfofflightfisf300,000fkm/s.)
A)f300,000fkm
B)f18fmillionfkm
C)f100fmillionfkm
D)f1.08fbillionfkm
E)f9.46ftrillionfkm
Answer:ffD
14)fSupposefweflookfatfafphotographfoffmanyfgalaxies.fAssumingfthatfallfgalaxiesfforme
dfatfaboutfthefsameftime,fwhichfgalaxyfinfthefpicturefisfthefyoungest?
A)fthefonefthatfisffarthestfaway
B)fthefonefthatfisfreddestfinfcolor
C)fthefonefthatfisfbluestfinfcolor
D)fthefonefthatfisfclosestftofus
E)fthefonefthatfappearsfsmallestfinfsize
Answer:ffA
15)fWhatfdofwefmeanfbyfthefobservablefuniverse?
A)fthefpartfoffthefuniversefthatfwefcanfseefwithfthefnakedfeye
B)fthefpartfoffthefuniversefthatfwefcanfseefthroughftelescopes
C)fthefpartfoffthefuniversefthatfcouldfbefobservedfinfprinciple,fincludingfthingsfthatfmayfre
quireffutureftechnologies
D)fthefcompendiumfoffallfobjectsfthatfwefhavefobservedftofdate
