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Phobos and Deimos transits..
Opportunity manages to catch them both...
Big huh? http://mysite.freeserve.com/blobrana...stTransits.jpg A rare solar crossing of the Sun by the martian moon Deimos on the 4 th March was captured by the Panoramic Camera of Opportunity Mars rover. The solar transit of the martian moon occurs only twice per Mars year (one Mars year equals roughly two Earth years). Deimos is a dark body that appears to be composed of C-type surface materials, similar to that of asteroids found in the outer asteroid belt. Named after the Roman God of dread, Deimos is the smaller of Mars' two moons. Deimos whirls around Mars every 30 hours. The natural moon is 10 by 7.5 miles (16 by 12 kilometers) in size... Like its sister moon Phobos ( Greek for "Fear") is non-spherical in shape. Probably , it too is a captured asteroid. Mission scientists hope to be able to catch a similar eclipse with the larger and closer orbiting moon Phobos - which could blot out half the sun or more - for 40-30 seconds . Somewhere near the martian equator, Phobos eclipses the sun nearly every day. |
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