Robotic Exploration of Space - Research Article from Macmillan Science Library: Space Sciences

This encyclopedia article consists of approximately 9 pages of information about Robotic Exploration of Space.
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The Challenge of Robotic Planetary Exploration

Lunar and planetary exploration is a proposition far different from orbiting Earth. A launch vehicle can throw only about one-fifth as much mass out of Earth's gravitational field as it is capable of putting into Earth orbit. Time becomes more and more a factor with distance: To send a signal to and then from the Moon takes only two seconds. For Mars it takes between eighteen and forty-five minutes, depending on the relative positions of Mars and Earth. Everything has to be planned and programmed, well in advance.

An artist's rendition of the Mars Rover Sojourner (foreground) and the Pathfinder Lander in operation on the Martian surface. These robots work in environments that may be harmful to humans or in situations where sending a human crew would be too costly. An artist's rendition of the Mars Rover Sojourner (foreground) and the Pathfinder Lander in operation on the Martian surface. These robots work in environments that may be harmful to humans or in situations where sending a human crew would be too costly.

Interplanetary spacecraft must last for years in space. It takes...

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This section contains 2,524 words
(approx. 9 pages at 300 words per page)
Buy the Robotic Exploration of Space Encyclopedia Article
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Macmillan Science Library: Space Sciences
Robotic Exploration of Space from Macmillan Science Library: Space Sciences. Copyright © 2001-2006 by Macmillan Reference USA, an imprint of the Gale Group. All rights reserved.
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