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ISU ENVI 360 - Exam 3 Clickers PDF

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Fill$in$the$blanks.$I$saw$a$______.$I$was$hit$by$a$_______.$A. Meteor;$Meteoroid$B. Meteor;$Meteorite$C. Meteoroid;$Meteorite$D. Meteorite;$Meteoroid$E. Meteorite;$Meteor$Most$asteroids$lie$in$the$asteroid$belt.$How$far$is$the$asteroid$belt$from$the$Sun?$A. Spans$1D2$AU$B. Spans$2D4$AU$C. Spans$4D7$AU$D. All$asteroids$at$3$AU$E. All$asteroids$at$5$AU$Only$one$asteroid$is$a$dwarf$planet.$Which$one?$A. Vesta$B. Ida$(the$one$with$a$moon)$C. Ceres$D. Eros$If$a$shuQle$pilot$closed$their$eyes$and$flew$through$the$asteroid$belt,$what$would$be$the$most$likely$result?$A. Certain$death$B. Make$it$through$safe$What$is$the$composiUon$of$the$nucleus$of$a$comet?$A. Hot$fluorescent$gas$B. Mostly$rock$C. Mostly$metal$D. Mostly$ice$E. The$tears$of$Michigan$fans$Comets$have$two$tails.$What$causes$the$dust$tail?$A. Solar$wind$(ions)$B. RadiaUon$pressure$(photons)$C. The$comet’s$propulsion$mechanism$What$causes$the$ion$tail?$A. Solar$wind$(ions)$B. RadiaUon$pressure$(photons)$C. The$comet’s$propulsion$mechanism$How$does$the$orientaUon$of$the$two$tails$compare?$A. Tails$overlap$completely$B. Ion$tail$lags$behind$C. Dust$tail$lags$behind$Spicules$are$associated$with$which$secUon$of$the$Sun?$A. Core$B. RadiaUve$Zone$C. ConvecUon$Zone$D. Chromosphere$E. Corona$In$which$secUon$of$the$Sun$is$energy$transferred$primarily$by$atoms$passing$photons$from$one$to$another.$A. Core$B. RadiaUve$Zone$C. ConvecUon$Zone$D. Chromosphere$E. Corona$In$which$secUon$of$the$Sun$is$energy$primarily$transferred$by$the$moUon$of$hot$gas?$A. Core$B. RadiaUve$Zone$C. ConvecUon$Zone$D. Chromosphere$E. Corona$Which$of$the$following$are$HOTTER$than$the$surface$of$the$Sun?$A. The$core$B. The$radiaUve$zone$C. The$convecUon$zone$D. The$corona$E. All$of$the$above$F. All$of$the$above$except$D$What$supplies$the$Sun’s$energy?$A. Chemical$energy$released$when$Hydrogen$burns$B. Electrical$energy$from$the$ionized$plasma$C. Mass$in$converted$directly$to$energy$Which$of$the$following$is$NOT$correct$regarding$the$Sun?$A. Prominences$arc$between$sunspots$B. Solar$flares$erupt$from$sunspots$C. Coronal$mass$ejecUons$“erupt”$from$sunspots$D. All$of$the$above$are$correct$Sunspots$are$cooler$than$surrounding$areas.$What$causes$this?$A. Random$fluctuaUons$in$the$convecUon$zone$B. MagneUc$fields$disrupt$convecUon$C. MagneUc$fields$are$cold$by$nature$If$a$solar$flare$and$a$coronal$mass$ejecUon$happen$at$the$same$Ume,$which$reaches$Earth$first?$A. XDrays$from$solar$flare$B. XDrays$from$coronal$mass$ejecUon$C. Charged$parUcles$from$solar$flare$D. Charged$parUcles$from$coronal$mass$ejecUon$E. Both$xDrays$and$charged$parUcles$reach$Earth$at$the$same$Ume.$What$is$the$cause$of$the$solar$cycle?$A. ConvecUon$in$the$sun’s$outer$layers$and$atmosphere$B. The$Maunder$minimum$C. MagneUc$fields$winding$up$then$reDadjusUng$D. Cold$weather$on$Earth$Which$of$the$following$best$describes$the$effect$of$the$solar$cycle$on$Earth’s$climate?$A. The$solar$cycle$has$no$effect$B. The$solar$cycle$has$an$effect$on$Earth’s$climate,$which$explains$global$warming$C. The$solar$cycle$has$an$effect$on$Earth’s$climate,$but$this$does$not$explain$global$warming$Which$of$the$following$stars$is$the$hoQest?$A. Betelgeuse$(red)$B. The$Sun$(yellow)$C. Rigel$(blue)$If$we$moved$substanUally$closer$to$a$star,$which$of$the$following$would$be$true?$A. Both$the$brightness$and$luminosity$would$increase$B. The$brightness$would$increase$but$the$luminosity$would$remain$the$same$C. The$brightness$would$remain$the$same$but$the$luminosity$would$increase$D. Both$the$brightness$and$the$luminosity$would$remain$the$same$The$StefanDBoltzmann$Law$describes$the$effect$of$which$two$variables$on$luminosity?$A. Brightness$and$radius$B. Radius$and$temperature$C. Temperature$and$brightness$Star$A$has$a$magnitude$of$5.0.$$Star$B$has$a$magnitude$of$0.5.$Star$C$has$a$magnitude$of$D3.0.$Which$star$is$the$brightest?$Which$is$the$dimmest?$A. Brightest:$A$Dimmest:$C$B. Brightest:$A$Dimmest:$B$C. Brightest:$C$Dimmest:$B$D. Brightest:$C$Dimmest:$A$The$primary$classificaUon$of$stars$is$by$which$property?$A. Size$B. Temperature$(color)$C. Luminosity$(energy$output)$D. Distance$from$us$Which$of$the$following$is$the$correct$order$of$classificaUons$from$hot$to$cold?$A. A$B$C$D$E$ F $G$B. M$K$G$F$A$B$O$C. O$B$A$F$G$K$M$D. O$B$A$M$A$P$L$Z$The$top$spectrum$is$from$a$certain$element$as$measured$in$a$lab$on$Earth.$The$boQom$spectrum$is$the$same$element$from$a$star.$What$is$that$star’s$direcUon$relaUve$to$us?$A. Toward$us$B. Away$from$us$C. Sideways$relaUve$to$us$D. No$moUon$at$all$For$which$type$of$binary$star$systems$can$we$ALWAYS$determine$the$radius$of$the$stars?$A. Visual$binaries$B. Spectroscopic$binaries$C. Eclipsing$binaries$D. All$of$the$above$E. None$of$the$above$Which$star$is$brightest?$A. Enter$answer$text...$B. Enter$answer$text...$C. Enter$answer$text...$D. Enter$answer$text...$A B D CWhich$star$is$the$hoQest?$A. Enter$answer$text...$B. Enter$answer$text...$C. Enter$answer$text...$D. Enter$answer$text...$A B D CWhich$star$is$the$biggest?$A. Enter$answer$text...$B. Enter$answer$text...$C. Enter$answer$text...$D. Enter$answer$text...$A B D CWhen$can$a$newly$formed$star$be$seen$at$visible$wavelengths?$A. As$soon$as$it$forms$B. Aker$bipolar$flows$form$C. Once$the$protonDproton$chain$starts$D. Never.$Stars$are$only$visible$in$infrared.$Which$of$the$following$is$closest$i n$size$to$a$brown$dwarf?$A. The$Sun$B. Earth$C. Jupiter$D. Mars$A$star$(either$HMS$or$LMS)$will$become$a$pulsaUng$yellow$giant…$A. Aker$the$red$giant$phase$B. Whenever$it$crosses$the$instability$strip$C. The$first$Ume$it$crosses$the$instability$strip$D. Before$the$red$giant$phase$Which$fusion$pathways$do$LMS$and $HMS$use$to$create$Helium?$A. Both$LMS$and$HMS$use$the$protonDproton$chain$B. Both$LMS$and$HMS$use$the$CNO$cycle$C. LMS$use$the$protonDproton$chain.$HMS$use$the$CNO$cycle.$D. LMS$use$the$CNO$cycle.$HMS$use$the$protonDproton$chain.$Why$are$red$giants$so$big?$A. Their$gravity$decreases$aker$fusing$most$of$their$hydrogen.$B. A$hoQer$core$drives$the$outer$layers$out.$C.


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ISU ENVI 360 - Exam 3 Clickers PDF

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