Aa3d HH $ @d HHHHff@  dA Footnote TableFootnote**.\t.\t/ - :;,.!?%` `#TOCHeading1Heading2   EquationVariables 3mm<$lastpagenum>n<$monthname> <$daynum>, <$year>o"<$monthnum>/<$daynum>/<$shortyear>p;<$monthname> <$daynum>, <$year> <$hour>:<$minute00> <$ampm>q"<$monthnum>/<$daynum>/<$shortyear>r<$monthname> <$daynum>, <$year>!Ys"<$monthnum>/<$daynum>/<$shortyear>t <$fullfilename>3du <$filename>v <$paratext[Title]>w <$paratext[Heading1]>x <$curpagenum>y <$marker1>z <$marker2>{ (Continued)|+ (Sheet <$tblsheetnum> of <$tblsheetcount>)}Heading & Page <$paratext> on page<$pagenum>~Pagepage<$pagenum>o See Heading & Page%See <$paratext> on page<$pagenum>.;! Table All`7Table<$paranumonly>, <$paratext>, on page<$pagenum>1Table Number & Page'Table<$paranumonly> on page<$pagenum> AA     A$ a ; 3 aoe> 3 b > 3 ci> 3 d" 3 e/um 3 fa 3 gn$d 3" heY 3# io>/ 3$ jea 3% kfi 3& ld 3' m 3( nele 3) ote 3 p] 3 qg 3 ra 3 sa 3 tod) 3 u+t 3 vu<$ 3 wn 3 xnge 3 yx p 3 zu 3 {een 3 |He 3 }e< 3 ~ e 3 ; 3 `e 3 l$p 3 o< 3 Ta 3 &' 3 ay> 3 p> 3  3  3  3  3  3  3  3  3  3  3  3  3 $ 3  3  3  3  3  3  3  3 y!3#dqy 3'dqz3dq{a|d)3H3R `@q|}{ nH3R `@H RH RFootnote pHq3@ `@q}|~{ Hq3@ `@HzHz Single LineeH'q~}{Footnote  3~a  >   H3D `@q~{ 3H3D `@HH Double LineH q{3 Double Line 3 $ 3 3 3H q{# Single Line 3HZq{q TableFootnoteEGVR `@q{ }EGVR `@EPwEPw TableFootnoteod5pd 3HH 3 HHr UT UT` q Questions UR UT` 3 +UP UT [1) Does this distance make sense? Explain your answer. Hint: M81 looks a lot like  UT`  U< UT`  U: UT`  U8 UT`  U6 UT`  U4 UT` e *U2 UT` q ;U0 UT`  LU. UT wU2) The Cepheids studied all have periods around 10 days or longer. Therefore, these ]U, UT Tmeasurements require lots of observations over relatively long periods of time. Why nU* UT@ Bnot observe Cepheids with shorter periods to make the job easier? HH 3y HH UT thd b pl HH 3z keHH might exrod c nd 1HUV 3z t aHUV he  UU` d H$ 3z H$ U< UT UU` eU8 THUV 3y 4UTHUV UT` UTUUd fid tH$ 3y nr.H$ U,ements r oUUd gy  gHH 3! noHHOh ##the job # UT UT` h079205 AstronomyNAMES:________________________ UR UT` l$Work sheet________________________ pl+UP UT` iStudio Exercise Week #8 UT` s  U< UT` t VU: UT` u+____________________________________ U8 UT` v  U6 UT` wUT U4 UT` x f+____________________________________ *U2 UT` y  ;U0 UT` z LU. UT` {+____________________________________ H]U, UT` | 3! nU* UT` }no U( UT` ~h +____________________________________ U& UT`   hU$ UT` om AU" UT` __+____________________________________ ___U UT`  __ lU UT`  tU UT`  #+____________________________________ U UT` aM8 U UT`  U UT` . Average of (m-M) = _________ )U UT`  s .:U UT`  o KU UT`  p2 Distance to M81 (in kpc or Mpc) = _________ HH 3_HHl  HH 3uyuHHl` vHH 3vz xHHlHUV 3wzTHUV l  UTH$ 3xz(UTH$ l U&HUV 3yyAU"HUV l ___H$ 3zy tH$ l ___HH 3{HHl  __%dyULeft dz pRightid{) ReferenceHddf ABody. f AV Bulleted\t. f ACellBody. f A CellHeading. f A% Footnote. ftfTA Heading1Body. fT A Heading2Body. fT A  HeadingRunInBody. f Al yIndented. f Ag Numbered.\t. fE At Numbered1.\tNumbered. f Af TableFootnote. fT A  TableTitleT:Table : .  fPA TitleBody. f T A  TableTitleT:Table : . f  A CellHeading. f  ACellBody. f  A CellFooting. f  ABody. @ lHeader. @ blaFooter. fABody. fAll.). Body. fA H...f .h..Body. fABody. fA).Body. fAH... .h..Body.  ) ڝ Aڝ A ) A w AA EmphasisA EquationVariables [A  ڝ)A ڝAtu AyAAAAAAThinAMediumADoubleAThick@A Very Thin5E5 6AAAHHHHHFormat A 7AAA HHHeHHFormat BCCommentAQId ABlackT!BWhiteddACRedddDGreendd EABluedFCyandGMagentad HYellow Times-Roman Times-Bold Times-ItalicSymbolSymbolHelvetica-BoldTimes HelveticaASymbol RegularRegulary BoldRegularItalic3-&A[Fϵk/Zkul-n y-êVI@BSfzO~