Water and the Search for Life on Mars. 1st ed. 2005
- 種類:
- 電子ブック
- 責任表示:
- by David M. Harland
- 出版情報:
- New York, NY : Springer New York : Imprint: Praxis, 2005
- 著者名:
- シリーズ名:
- Space Exploration ;
- ISBN:
- 9780387293721 [0387293728]
- 注記:
- Peering at Mars -- A close look -- The Vikings -- What is life? -- A multiplicity of missions -- The water dilemma -- Spirit -- Opportunity -- Future prospects.
"Why explore Mars? The simple answer is, we’re going to Mars to search for life. We’re following the water because on Earth where you find liquid water, organic material, and energy, you find life." u find life" Ed Weiler, NASA's Associate Administrator for Space Science Ear where you find liquid water, A century ago, the world was enthralled by Percival Lowell’s vision of a Mars criss-crossed with the canals of a dying civilization distributing water from the polar caps. Later, Mars was thought to have been cold, dead and dry for eons, but striking new evidence suggests the planet was relatively warm and wet in geologically recent times, and that even now there are reserves of water frozen beneath the planet’s surface. Today, robot spacecraft maneuver across the Martian surface while others orbit overhead seeking evidence of water, ice, and landing sites for further exploration. In recent years, the very possibilities for life have dramatically expanded as discoveries by biologists and oceanographers have re - ローカル注記:
- 学内専用E-BOOKS (local access only)
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