《科学》[Science]12年5月11日出版pdf全文

nero1981

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COVER Enhanced-color view of the "Snowman" craters (Marcia, Calpurnia, ' C% X* q6 n; L; R3 ]
and Minucia) on the asteroid Vesta generated by combining imaging and topography 5 K5 w, U8 X8 q9 ~- Y
data from NASA's Dawn spacecraft. The 60-kilometer-wide Marcia crater (at " h1 P4 M3 [6 e) `# [
bottom) is one of the youngest large craters on Vesta with a small central peak, 4 z; C6 l! V4 L2 c/ W& {
as well as light and dark streaks on its walls. See the series of six Reports
3 c3 C8 M. n( s. Z9 l: Z7 M- Fbeginning on page 684. Image % d, O7 z( V# u' ^  R1 _$ \
generated using Dawn Framing Camera images: Lucille Le Corre (MPS), David
4 I" c, D2 [! e# q* K/ S+ pO'Brien (PSI), Vishnu Reddy (MPS/UND); PI of Dawn mission: Christopher T.
  @1 e" s1 Z( ~' x' z; V5 n6 MRussell (UCLA); Dawn Framing Camera leader: Andreas Nathues (MPS), significant . u( N3 y  @7 ~' X
contributions from Ralf Jaumann (DLR) " U' i3 ~% y/ s- v! A, i

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yuhaoze

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addlepate

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王超

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