chapter 9 the terrestrial planets. mercury: the messenger
TRANSCRIPT
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Chapter 9
The Terrestrial Planets
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Mercury: The Messenger
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Mercury’s temperature range is the most extreme in the solar system
• 59 day rotation and
• lack of an appreciable atmosphere means temperatures vary enormously from one side of the planet to the other.
• Temperatures range from -280°F to 660°F
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Venus: The Fatal Beauty
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Venus: The Fatal Beauty
clouds on Venus consists of 96%
carbon dioxide and sulfuric acid!
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The Temperature of VenusThe runaway greenhouse effect heats Venus’s
surface to 900oF!
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Venus’s Surface: Venera 1981
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Venus’s Surface: Radar Mapping Magellan 1990
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Mars: The Warrior
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Mars’ two moons, Phobos and Deimos, look more like potatoes than spheres
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Valles Marineris is many times larger than the Grand Canyon
Enormous volcanoes
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The Largest Volcano in The Solar System:Olympus Mons
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Water on Mars?
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Water on Mars?
Ohio River valley on Earth
River channels on Mars
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Spirit and Opportunity 2004
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Curiosity lands on Mars, August 5th 2012
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Life on Mars?
Martian meteorite blasted from Mars 15 million years ago and landed in Antarctica 13,000 years ago
Fossil?
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Human Exploration of Mars?
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Privatization of Space