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2014年1月24日 Science 2 W8 U( O7 ?: ]) p) a8 k
1 G- I) D# }2 zCOVER Eroded landscape of Yellowknife Bay, Gale crater on Mars. ( K) n6 L4 C% B# Y7 J8 `
Sheepbed mudstone is seen in the foreground, ~4 meters distant from the
+ e0 ], n. _8 XCuriosity rover camera that took the photo; Gillespie sandstone is in the middle 2 t0 V& l# R: f$ B6 `, b( Y2 W) M" _8 D
field. The foothills of Mt. Sharp (upper left), ~20 kilometers distant, are 3 R X" w [& N+ i. W4 p
Curiosity's ultimate destination. Exploration of this region by the Curiosity 3 E5 U$ m1 T1 I
rover offers evidence of an ancient, potentially habitable environment. See the - [$ y( U' w' H- V6 i# D7 E" d% c
special section beginning on page 386 and at 5 q2 \! N% K) h
www.sciencemag.org/extra/curiosity.
2 @- t- j4 W6 W& _Image: NASA/JPL-Caltech/Malin Space Science Systems % N! C9 Y. P1 _1 r$ W, |
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发表于 2014-1-24 17:40
