Life on Venus?
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Venus Atmosphere
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Venus
Probe-Venus Express
Lots of Large Scale mixing in the atmosphere
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Only glimpse of the surface Soviets had 4 successful Venera landings on
Venus Onboard experiments found basaltic surface Dark surface, albedo of 3-10% Surface winds of ~ 0.3-1.0 m/s Surface temperatures of 740 K Landers lasted 45-60 minutes
Venera 14 – 13 S, 310 E – March 1982
Landers
• Spherical images can be unwraped into a low-res perspective view
• Smooth-ish basaltic rock – low viscosity magmas
Baltis Vallis – 6800 km
Venera 9 – A Blockier Appearance
Venera 13
Venera 10
Venera 14
• Earth and Venus should be the same…– Venus absorbs roughly the same amount of
sunlight as the Earth.– Venus has roughly the same amount of
carbon as the Earth
• …but…– Venus has no plate tectonics– Earth’s carbon get recycled through the crust– Venusian carbon accumulates in atmosphere
What went wrong?
All these differences can be traced back to the lack of water on Venus
Solar System Exploration
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Solar System Exploration
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Solar System Exploration
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