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File:Gaspara, Deimos, and Phobos.jpg

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Description

(1977) This montage shows asteroid 951 Gaspra (top) compared with Deimos (lower left) and Phobos (lower right), the moons of Mars. The three bodies are shown at the same scale and nearly the same lighting conditions.

Gaspra is about 17 kilometers (10 miles) long. All three bodies have irregular shapes due to past catastrophic conditions. However, their surfaces appear remarkably different, possibly because of differences in composition but most likely because of very different impact histories.

The Phobos and Deimos images were obtained by the Viking Orbiter spacecraft in 1977; the Gaspra image is the best of a series obtained by the Galileo spacecraft on October 29, 1991.

nasaimages.org/luna/servlet/detail/nasaNAS~20~20~120999~2...
Date Taken in January 1977
Source Gaspara, Deimos, and Phobos
Author NASA on The Commons
Permission
(Reusing this file)		 NASA on The Commons @ Flickr Commons

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This image was taken from Flickr's The Commons. The uploading organization may have various reasons for determining that no known copyright restrictions exist, such as:
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This image was originally posted to Flickr by NASA on The Commons at https://www.flickr.com/photos/44494372@N05/7651155116. It was reviewed on 2013-01-20 13:00:11 by FlickreviewR, who found it to be licensed under the terms of the No known copyright restrictions, which is compatible with the Commons. It is, however, not the same license as given above, and it is unknown whether that license ever was valid.

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1 January 1977

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Date/TimeThumbnailDimensionsUserComment
current12:42, 20 January 2013Thumbnail for version as of 12:42, 20 January 20131,017 × 777 (74 KB)Dzlinker== {{int:filedesc}} == {{Information |Description=(1977) This montage shows asteroid 951 Gaspra (top) compared with Deimos (lower left) and Phobos (lower right), the moons of Mars. The three bodies are shown at the same scale and nearly the same lighti...
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