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Mars - Paper

Mars

Mars is a small rocky body once thought to be very Earthlike. Like the other terrestrial planets—Mercury, Venus, and Earth—its surface has been changed by volcanism, impacts from other bodies, movements of its crust, and atmospheric effects such as dust storms. It has polar ice caps that grow and recede with the change of seasons; areas of layered soils near the Martian poles suggest that the planet's climate has changed more than once, perhaps caused by a regular change in the planet's orbit.

Martian tectonism, the formation and change of a planet's crust, differs from Earth's. Where Earth tectonics involve sliding plates that grind against each other or spread apart in the seafloors, ...

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from, how long did it last, and where did it go?

At present, Mars is too cold and its atmosphere is too thin to allow liquid water to exist at the surface for long. There's water ice close to the surface and more water frozen in the polar ice caps, but the quantity of water required to carve Mars's great channels and flood plains is not evident on—or near—the surface today. Images from NASA's Mars Global Surveyor spacecraft suggest that underground reserves of water may break through the surface as springs. The answers may lie deep beneath Mars's red soil.

Unraveling the story of water on Mars is important to unlocking its past climate history, which will help us understand the evolution of all planets, including our own. Water is also believed to be a central ingredient for the initiation of life; the evidence of past or present water on Mars is expected to hold clues about past or present life on Mars, as well as the potential for life elsewhere in the universe. And, before ...

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Mars. (2012, October 14). Retrieved January 6, 2026, from http://www.essayworld.com/essays/Mars/101656

"Mars." Essayworld.com. Essayworld.com, 14 Oct. 2012. Web. 6 Jan. 2026. <http://www.essayworld.com/essays/Mars/101656>

"Mars." Essayworld.com. October 14, 2012. Accessed January 6, 2026. http://www.essayworld.com/essays/Mars/101656.

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PAPER DETAILS

Added: 10/14/2012 11:22:58 AM
Submitted By: cthompson1441
Category: Astronomy
Type: Premium Paper
Words: 511
Pages: 2

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