PES 105 Mars

PES 105 Mars - 1/15/12 PES 105 Mars PES 105 Fall 2001 P e...

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Unformatted text preview: 1/15/12 PES 105 Mars PES 105 Fall 2001 P e io General Astronom I Lec e Ne Lec e Lecture Notes: Mars e : Chap e 8: Sec ion 8.4, 8.6 Introduction and General Properties He e i a good link fo info ma ion abo he Ma : h p:// ed .lpl.a i ona.ed /billa/ np/ma .h ml He e i ano he good link i h info ma ion, pic e and anima ion abo Ma : h p:// .plane cape .com/ ola /eng/ma .h m He e i a link i h pic e of Ma : h p://an p.g fc.na a.go /apod/inde /Ma .h ml Ma i o o he neighbo in pace. albedo = 0.15 . . . . imila o Moon and Me c fe clo d den i = 4.0 g/cm3 . . . ligh l lo e han o he e e ial plane => mo e ock and le me al ? i e: m ch malle han Ea h (b bigge han Me c ) lo of info ma ion f om pacec af Motions orbit: o bi al pe iod = 687 da elonga ed ellip ical o bi (abo 2 ea ) www.uccs.edu/ tchriste/courses/PES105/105lectures/105lecmars.html 1/6 1/15/12 PES 105 Mars ro a ion: ai e i d = 24.5 h i f a i = 25 deg ee ea ? b h f he e a e i i a Ea h In erior b e e NO ag e ic fie d i ce i c ie ae ic ih , he e be NO i id i ide a i e (a d fa c Ma i e diffe e ia ed => a e e ide ce f a i g a e) ef ei ic ac i i a d a e g ca e S rface Ob e e: ai (40 %) ai he he i he e gh a ea i h c a e (60%) ai he he i he e I e e i g fea e ( i hi he e egi ): P a ca f e ca b di ide (d ice) f a e ice e e i gi e ca i ib cha ge a ea a ce Fig e 8.17 h he a ca . [Li Fig e 8.17] www.uccs.edu/ tchriste/courses/PES105/105lectures/105lecmars.html 2/6 1/15/12 PES 105 Mars Va e Ma i e i dee ca e g h: Ne Y Ci L A ge e 5 10 i e dee e ha G a d Ca f c ac ae e i Fig e 8.16 h he Va e Ma i e i . [Li Fig e 8.16] Thi a i a i de ic a f igh e he Va e Ma i e i :h :// . a e ca e .c / a /ca / a / id a 2.h O M high ca 6 1/2 i e highe ha Pi e Pea ( hich i a ca ) 3 i e highe ha M E e e ( hich i a ca ) ca Ea h d g a ge beca e c i e a d if e he ai ff f he h . c i e a d if Ma , ai ee ge i g highe a d highe Fig e 8.19 B h O M . [Li Fig e 8.19] Thi a i a i h O M : h :// . a e ca e .c / a /ca / a / id a 4.h cha e a ea be f i g ae Whe e i he a e ? i id - e e i ad cd ga - a e e ca e f Ma ia a he e a be id - a e a d e af de g d? Fig e 8.20 a d 8.23 h cha e . [Li Fig e 8.20] [Li Fig e 8.23] [de i h ac e] a dd e f id A mo phe e e hi e C ea face i 1/200 e e Ea h ii : ca b di ide - 95 % i ge - 3 % f ca e ? he - 2 % i ia Ve e hi c d bab fd ife , ae a Ma a d ca b www.uccs.edu/ tchriste/courses/PES105/105lectures/105lecmars.html di ide d e 3/6 1/15/12 PES 105 Mars Cic la ion fa ai ai a dc d i ae id ae ca be ica ec i aae g (35 - 200 ch e i ea /h) i ce a he e i e hi Se a on ca ed b : 1. i 2. e fa i ( i a ha ha e ga i f bi ( a fac Ea h) Ea h) www.uccs.edu/ tchriste/courses/PES105/105lectures/105lecmars.html 4/6 1/15/12 PES 105 Mars D S ( ) His tor 4.5 4 - 3.5 ..... ( M ) ????? 3 N Moons : : P 27 6000 (17 ) M (M 380,000 E ) = 7.5 P : :// .. . / / / . D : :// .. . / / / . D 15 20,000 B M = 30 : ( , . . .) ? P RETURN L N L - - - INDE OF LECTURES - - - N L O : 10/16/101 www.uccs.edu/ tchriste/courses/PES105/105lectures/105lecmars.html 5/6 1/15/12 PES 105 Mars www.uccs.edu/ tchriste/courses/PES105/105lectures/105lecmars.html 6/6 ...
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