http://www.space.com/php/multimedia/imagedisplay/img_display.php?pic=061206_mars_gullies_02.jpg&cap=The+floor+and+banks+of+a+gully+on+the+northwest+wall+of+a+crater+in+Terra+Sirenium+changed+between+December+2001+and+April+2005+due+to+a+distinct+light-toned+material+that+flowed+down+the+slope+and+formed+a+deposit+%28top%29.+The+same+change+occurred+in+a+crater+in+the+Centauri+Montes+region+%28bottom%29.+Credit%3A+Science
2006-12-06
06:50:45
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6 answers
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asked by
vanman8u
5
in
Science & Mathematics
➔ Biology