Them Cosmicm Perspective,m 8em (Bennett)m
Chapterm1mmAmModernmView mof mthemUniversem
1.1mmMultiple-ChoicemQuestions
1)mWhichmof mthemfollowingmhasmyourm"address"minmthemcorrect morder?
A)myou,mEarth,msolarmsystem,mLocalmGroup,mLocalmSupercluster,mMilkymWay
B)myou,mEarth,msolarmsystem,mMilkymWay,mLocalmSupercluster,mLocalmGroup
C)myou,mEarth,msolarmsystem,mLocalmGroup,mMilkymWay,mLocalmSupercluster
D)myou,mEarth,mLocalmGroup,mLocalmSupercluster,msolarmsystem,mMilkymWay
E)myou,mEarth,msolarmsystem,mMilkymWay,mLocalmGroup,mLocalmSupercluster
Answer:mmE
2)mAbout mwheremismourmsolarmsystemmlocated mwithinmthemMilkymWaymGalaxy?
A)mat mthemcentermof mthemgalaxy
B)mabout m10mpercent mof mthemwaymfrommthemcentermof mthemgalaxymtomthemoutskirtsmof mthem
galacticmdisk
C)mabout mhalf mwaymfrommthemcentermof mthemgalaxymtomthemoutskirtsmof mthemgalacticmdisk
D)mnearmthemfarmoutskirtsmof mthemgalacticmdisk
E)minmthemhalomof mthemgalaxymabovemthemgalacticmdisk
Answer:mmC
3)mRoughlymhow mmanymstarsmareminmthemMilkymWaymGalaxy?
A)m1mbillion
B)m100mbillion
C)m10mbillion
D)m100mmillion
E)m100mtrillion
Answer:mmB
4)mModernmtelescopesmaremcapablemof mseeingmbright mgalaxiesmupmtomabout
A)m1mmillionmlight-yearsmaway.
B)m10mmillionmlight-yearsmaway.
C)m1mbillionmlight-yearsmaway.
D)m10mbillionmlight-yearsmaway.
E)m1mtrillionmlight-yearsmaway.
Answer:mmD
5)mSupposemwemimaginemthemSunmtombemabout mthemsizemof mamgrapefruit.mHow mbigmanmare
amwould mthemorbitsmof mthemeight mplanetsmof mthemsolarmsystemmcover?
A)mthemsizemof mamtypicalmdormmroom
B)mthemsizemof mamtypicalmcampusmbuilding
C)mthemsizemof mamtypicalmcampus
D)mthemsizemof mamsmallmcity
,E)mthemsizemof mamwesternmstatem(e.g.,mColorado)
Answer:mmC
,6)mWhat mdomwemmeanmwhenmwemsaymthat mthemuniversemismexpanding?
A)mAveragemdistancesmaremincreasingmbetweenmstarmsystemsmwithinmgalaxies.
B)mEverythingminmthemuniversemismgraduallymgrowingminmsize.
C)mAllmgalaxiesmaremincreasingly mmovingmawaymfrommonemanother.
D)mThemstatement mismnot mmeant mtombemliteral;mrather,mit mmeansmthat mourmknowledgemof mt
hemuniversemismgrowing.
E)mIndividualmgalaxiesmaremgraduallymgrowingminmsize.
Answer:mmC
7)mThemagemof mthemuniversemis
A)mbetweenm10mmillionmand m16mmillionmyears.
B)mbetweenm100mmillionmand m160mmillionmyears.
C)mbetweenm1mbillionmand m1.6mbillionmyears.
D)mbetweenm10mbillionmand m16mbillionmyears.
E)mbetweenm100mbillionmand m160mbillionmyears.
Answer:mmD
8)mHow maremgalaxiesmimportant mtomourmexistence?
A)mWithout mgalaxies,mtheremcould mnot mhavembeenmamBigmBang.
B)mWithout mgalaxies,mthemuniversemcould mnot mbemexpanding.
C)mGalaxiesmprevent mplanetsmfrommleavingmtheirmorbitsmaround mstars; me.g.,mourmgalaxym
preventsmEarthmfrommleavingmitsmorbit mof mthemSun.
D)mGalaxiesmrecyclemheavymelementsmproduced minmstarsmintomfuturemgenerationsmof mstar
s.
E)mGalaxiesmprovidemthemgravitymthat mpreventsmusmfrommfallingmoff mEarth.
Answer:mmD
9)mEarthmismmademmostlymof mmetalsmand mrocks.mWheremdid mthismmaterialmcomemfrom?
A)mIt mwasmproduced minmthemBigmBang.
B)mIt mwasmcreated mbymchemicalmreactionsminminterstellarmspace.
C)mIt mwasmproduced mbymthemnuclearmfusionminmstarsmthat mmademthemheavymelements.
D)mIt mwasmmadembymourmSun.
E)mIt mwasmmadembymnuclearmfissionmof muraniummand mothermradioactivemmaterials.
Answer:mmC
10)mWhat mismnuclearmfusion?
A)manmexplosionmcaused mbymputtingmtogethermtwomvolatilemchemicals
B)mthemprocessmof msplittingmnucleimtomproducemenergy
C)mthemprocessmof mturningmmattermintompuremenergy
D)mthemprocessmof mcombiningmlightweight mnucleimtommakemheaviermnuclei
E)mamprocessmthat monlymoccursminmbombs
Answer:mmD
, 11)mWhymdid mCarlmSaganmsaymthat mwemaremstarmstuff?
A)mThemcompositionmof mmost mstarsm(mostlymhydrogenmand mhelium)mismabout mthemsamem
asmthemcompositionmof mourmbodies.
B)mCosmicmraysmreachingmEarthmfrommdistant mastronomicalmsources mmaymbe monemsourc
emof mmutationsmthat mhelpmevolutionmalong.
C)mNearlymeverymatommfrommwhichmwemaremmademoncem(beforemthemsolarmsystemmforme
d)mwasminsidemof mamstar.
D)mNearlymeverymatommfrommwhichmwemaremmademwasmonceminsidemourmstar,mthemSun.
E)mSaganmthought mthat mallmof musmhavemthempotentialmtombemmoviem(ormTV)mstarsmlikemhem
was.
Answer:mmC
12)mWhichmof mthemfollowingmstatementsmdoesmnotmusemthemtermmlight-
yearminmanmappropriatemway?
A)mIt'smabout m4mlight-yearsmfrommheremtomAlphamCentauri.
B)mIt mwillmtakemmemlight-yearsmtomcompletemthismhomeworkmassignment.
C)mA mlight-yearmismabout m10mtrillionmkilometers.
D)mIt mwillmtakemthemVoyagermspacecraft mabout m20,000myearsmtomtravelmjust m1mlight-year.
E)mThemMilkymWaymGalaxymismabout m100,000mlight-yearsmin mdiameter.
Answer:mmB
13)mOnemlight-
hourmismthemdistancemthat mlight mtravelsminmanmhour.mHow mfarmismthis,minmkilometers? m(Re
callmthat mthemspeed mof mlight mism300,000mkm/s.)
A)m300,000mkm
B)m18mmillionmkm
C)m100mmillionmkm
D)m1.08mbillionmkm
E)m9.46mtrillionmkm
Answer:mmD
14)mSupposemwemlookmat mamphotographmof mmanymgalaxies.mAssumingmthat mallmgalaxies m
formed mat mabout mthemsamemtime,mwhichmgalaxyminmthempicturemismthemyoungest?
A)mthemonemthat mismfarthest maway
B)mthemonemthat mismreddest minmcolor
C)mthemonemthat mismbluest minmcolor
D)mthemonemthat mismclosest mtomus
E)mthemonemthat mappearsmsmallest minmsize
Answer:mmA
15)mWhat mdomwemmeanmbymthemobservablemuniverse?
A)mthempart mof mthemuniversemthat mwemcanmseemwithmthemnaked meye
B)mthempart mof mthemuniversemthat mwemcanmseemthroughmtelescopes
C)mthempart mof mthemuniversemthat mcould mbemobserved minmprinciple,mincludingmthingsmthat
mmaymrequiremfuturemtechnologies
Chapterm1mmAmModernmView mof mthemUniversem
1.1mmMultiple-ChoicemQuestions
1)mWhichmof mthemfollowingmhasmyourm"address"minmthemcorrect morder?
A)myou,mEarth,msolarmsystem,mLocalmGroup,mLocalmSupercluster,mMilkymWay
B)myou,mEarth,msolarmsystem,mMilkymWay,mLocalmSupercluster,mLocalmGroup
C)myou,mEarth,msolarmsystem,mLocalmGroup,mMilkymWay,mLocalmSupercluster
D)myou,mEarth,mLocalmGroup,mLocalmSupercluster,msolarmsystem,mMilkymWay
E)myou,mEarth,msolarmsystem,mMilkymWay,mLocalmGroup,mLocalmSupercluster
Answer:mmE
2)mAbout mwheremismourmsolarmsystemmlocated mwithinmthemMilkymWaymGalaxy?
A)mat mthemcentermof mthemgalaxy
B)mabout m10mpercent mof mthemwaymfrommthemcentermof mthemgalaxymtomthemoutskirtsmof mthem
galacticmdisk
C)mabout mhalf mwaymfrommthemcentermof mthemgalaxymtomthemoutskirtsmof mthemgalacticmdisk
D)mnearmthemfarmoutskirtsmof mthemgalacticmdisk
E)minmthemhalomof mthemgalaxymabovemthemgalacticmdisk
Answer:mmC
3)mRoughlymhow mmanymstarsmareminmthemMilkymWaymGalaxy?
A)m1mbillion
B)m100mbillion
C)m10mbillion
D)m100mmillion
E)m100mtrillion
Answer:mmB
4)mModernmtelescopesmaremcapablemof mseeingmbright mgalaxiesmupmtomabout
A)m1mmillionmlight-yearsmaway.
B)m10mmillionmlight-yearsmaway.
C)m1mbillionmlight-yearsmaway.
D)m10mbillionmlight-yearsmaway.
E)m1mtrillionmlight-yearsmaway.
Answer:mmD
5)mSupposemwemimaginemthemSunmtombemabout mthemsizemof mamgrapefruit.mHow mbigmanmare
amwould mthemorbitsmof mthemeight mplanetsmof mthemsolarmsystemmcover?
A)mthemsizemof mamtypicalmdormmroom
B)mthemsizemof mamtypicalmcampusmbuilding
C)mthemsizemof mamtypicalmcampus
D)mthemsizemof mamsmallmcity
,E)mthemsizemof mamwesternmstatem(e.g.,mColorado)
Answer:mmC
,6)mWhat mdomwemmeanmwhenmwemsaymthat mthemuniversemismexpanding?
A)mAveragemdistancesmaremincreasingmbetweenmstarmsystemsmwithinmgalaxies.
B)mEverythingminmthemuniversemismgraduallymgrowingminmsize.
C)mAllmgalaxiesmaremincreasingly mmovingmawaymfrommonemanother.
D)mThemstatement mismnot mmeant mtombemliteral;mrather,mit mmeansmthat mourmknowledgemof mt
hemuniversemismgrowing.
E)mIndividualmgalaxiesmaremgraduallymgrowingminmsize.
Answer:mmC
7)mThemagemof mthemuniversemis
A)mbetweenm10mmillionmand m16mmillionmyears.
B)mbetweenm100mmillionmand m160mmillionmyears.
C)mbetweenm1mbillionmand m1.6mbillionmyears.
D)mbetweenm10mbillionmand m16mbillionmyears.
E)mbetweenm100mbillionmand m160mbillionmyears.
Answer:mmD
8)mHow maremgalaxiesmimportant mtomourmexistence?
A)mWithout mgalaxies,mtheremcould mnot mhavembeenmamBigmBang.
B)mWithout mgalaxies,mthemuniversemcould mnot mbemexpanding.
C)mGalaxiesmprevent mplanetsmfrommleavingmtheirmorbitsmaround mstars; me.g.,mourmgalaxym
preventsmEarthmfrommleavingmitsmorbit mof mthemSun.
D)mGalaxiesmrecyclemheavymelementsmproduced minmstarsmintomfuturemgenerationsmof mstar
s.
E)mGalaxiesmprovidemthemgravitymthat mpreventsmusmfrommfallingmoff mEarth.
Answer:mmD
9)mEarthmismmademmostlymof mmetalsmand mrocks.mWheremdid mthismmaterialmcomemfrom?
A)mIt mwasmproduced minmthemBigmBang.
B)mIt mwasmcreated mbymchemicalmreactionsminminterstellarmspace.
C)mIt mwasmproduced mbymthemnuclearmfusionminmstarsmthat mmademthemheavymelements.
D)mIt mwasmmadembymourmSun.
E)mIt mwasmmadembymnuclearmfissionmof muraniummand mothermradioactivemmaterials.
Answer:mmC
10)mWhat mismnuclearmfusion?
A)manmexplosionmcaused mbymputtingmtogethermtwomvolatilemchemicals
B)mthemprocessmof msplittingmnucleimtomproducemenergy
C)mthemprocessmof mturningmmattermintompuremenergy
D)mthemprocessmof mcombiningmlightweight mnucleimtommakemheaviermnuclei
E)mamprocessmthat monlymoccursminmbombs
Answer:mmD
, 11)mWhymdid mCarlmSaganmsaymthat mwemaremstarmstuff?
A)mThemcompositionmof mmost mstarsm(mostlymhydrogenmand mhelium)mismabout mthemsamem
asmthemcompositionmof mourmbodies.
B)mCosmicmraysmreachingmEarthmfrommdistant mastronomicalmsources mmaymbe monemsourc
emof mmutationsmthat mhelpmevolutionmalong.
C)mNearlymeverymatommfrommwhichmwemaremmademoncem(beforemthemsolarmsystemmforme
d)mwasminsidemof mamstar.
D)mNearlymeverymatommfrommwhichmwemaremmademwasmonceminsidemourmstar,mthemSun.
E)mSaganmthought mthat mallmof musmhavemthempotentialmtombemmoviem(ormTV)mstarsmlikemhem
was.
Answer:mmC
12)mWhichmof mthemfollowingmstatementsmdoesmnotmusemthemtermmlight-
yearminmanmappropriatemway?
A)mIt'smabout m4mlight-yearsmfrommheremtomAlphamCentauri.
B)mIt mwillmtakemmemlight-yearsmtomcompletemthismhomeworkmassignment.
C)mA mlight-yearmismabout m10mtrillionmkilometers.
D)mIt mwillmtakemthemVoyagermspacecraft mabout m20,000myearsmtomtravelmjust m1mlight-year.
E)mThemMilkymWaymGalaxymismabout m100,000mlight-yearsmin mdiameter.
Answer:mmB
13)mOnemlight-
hourmismthemdistancemthat mlight mtravelsminmanmhour.mHow mfarmismthis,minmkilometers? m(Re
callmthat mthemspeed mof mlight mism300,000mkm/s.)
A)m300,000mkm
B)m18mmillionmkm
C)m100mmillionmkm
D)m1.08mbillionmkm
E)m9.46mtrillionmkm
Answer:mmD
14)mSupposemwemlookmat mamphotographmof mmanymgalaxies.mAssumingmthat mallmgalaxies m
formed mat mabout mthemsamemtime,mwhichmgalaxyminmthempicturemismthemyoungest?
A)mthemonemthat mismfarthest maway
B)mthemonemthat mismreddest minmcolor
C)mthemonemthat mismbluest minmcolor
D)mthemonemthat mismclosest mtomus
E)mthemonemthat mappearsmsmallest minmsize
Answer:mmA
15)mWhat mdomwemmeanmbymthemobservablemuniverse?
A)mthempart mof mthemuniversemthat mwemcanmseemwithmthemnaked meye
B)mthempart mof mthemuniversemthat mwemcanmseemthroughmtelescopes
C)mthempart mof mthemuniversemthat mcould mbemobserved minmprinciple,mincludingmthingsmthat
mmaymrequiremfuturemtechnologies
