Chapter 9 The Terrestrial Planets. Mercury: The Messenger.

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Presentation transcript:

Chapter 9 The Terrestrial Planets

Mercury: The Messenger

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

Venus: The Fatal Beauty

clouds on Venus consists of 96% carbon dioxide and sulfuric acid!

The Temperature of Venus The runaway greenhouse effect heats Venus’s surface to 900 o F!

Venus’s Surface: Venera 1981

Venus’s Surface: Radar Mapping Magellan 1990

Mars: The Warrior

Iron Oxide Surface

Mars’ two moons, Phobos and Deimos, look more like potatoes than spheres

Valles Marineris is many times larger than the Grand Canyon Enormous volcanoes

The Largest Volcano in The Solar System: Olympus Mons

Water on Mars?

Ohio River valley on Earth River channels on Mars

Spirit and Opportunity 2004

Liquid Water Found on Mars by the Mars Reconnaissance Orbiter 2015

Human Exploration of Mars?

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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