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Low gravity aliens, artwork

Low gravity aliens, artwork

S920/0162

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Credit

CHRISTIAN DARKIN / SCIENCE PHOTO LIBRARY CHRISTIAN DARKIN / SCIENCE PHOTO LIBRARY

Caption

Low gravity aliens. Artwork of life forms adapted for life on a planet with low surface gravity. These organisms closely resemble giraffes, having evolved to feed on extremely tall growing plants. A rocky planet that is smaller than the Earth would have lower surface gravity. It would also have a thinner atmosphere and would be cooler as a result. In order to sustain life, a smaller Earth- like planet must not have less than one-half of the surface gravity of Earth. Any less and the atmosphere would escape into space. This is the process that many believed occurred on the planet Mars.

Release details

Model release not required. Property release not required.

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