life in the solar system will mars attack?. mars 1900
TRANSCRIPT
Life in the Solar System
Will Mars Attack?
Mars 1900
Huygens - 1659
Herschel - 1784
De la Rue -1856
NASA –Viking 1
Mariner 4 - 1965
Viking Orbiter - 1976
Life1
2
3
Arid as Sahara
MI on Stone Mountain
Meridiani Planum, Mars – NASA/JPL/Cornell University
Escalante-Grand StaircaseNational Monument
Curiosity
Europa
Frozen-over Ocean
Enceladus
Geysers
Titan
Are there other solar systems?
• Known Planets:– In our Solar System: 8– Outside our Solar System:
851
• Known Planetary Systems:– Prior Sept. 1995: 1 (ours)
– As of Nov 2012: 126Copyright Lynette Cook, used with permission
The “Wobble”
Planet Shadows
HD 209458Based on Doppler
curve, knew when planet might pass in front of its star.
Greg Henry (Tennessee State Univ.)
Upsilon Andromedae
Copyright Lynette Cook, used with permission
Kepler Mission
Copyright Lynette Cook, used with permission
Savage et al. 2001
Hubble Space Telescope