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Comparing Three Mars Rovers - School Essays

Comparing Three Mars Rovers

Jordan Desai
Professor Mayes
Planetary Science 200
23 September 2015

Comparing Three Mars Rovers

Mars is not easy to reach or explore. Nearly two-thirds of all missions have failed. However, in recent years, the United States has had more success landing rovers. Of recent missions, two rovers essentially crash-landed in a cocoon of airbags and one soft-landed.

The first lander, Sojourner, part of the Mars Pathfinder mission, was about the size of a milk crate and weighed 33 pounds. It landed using airbags on July 4, 1997 and stayed active 10 times longer than scheduled.

The next missions were the twin rovers Spirit and Opportunity, which were launched a few weeks apart and ...

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Earth in three ways. First, Curiosity can engage in direct communication from the rover to Earth's Deep Space Network. Second, Curiosity can use a fast relay via the orbiting Mars Odyssey spacecraft. Finally, Curiosity can utilize a slow relay to communicate via the Mars Reconnaissance Orbiter.

The scientific missions have focused on whether Mars once harbored flowing water. Specifically, the science studies Martian geology to determine how the rocks and soils formed (Jones 46-47). Based on how they form on Earth, many Martian discoveries appear to have followed a similar path, such as a long exposure to water or geology formed by intense heat and water.

NASA has engaged in a few popular public relations efforts with the rover missions. One has been to invite students to name its rovers by submitting a short essay. Each naming invitation generates over 10,000 entries. Recent winners are listed below.

* Sojourner, submitted by a 12-year-old boy

* Spirit and Opportunity, ...

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PAPER DETAILS

Added: 10/30/2013 09:38:32 PM
Submitted By: kirstiekayann
Category: Science & Nature
Type: Premium Paper
Words: 402
Pages: 2

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