《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, - U/ k$ O7 g. i8 y. L, y. W$ u
and Minucia) on the asteroid Vesta generated by combining imaging and topography
) t# k! m9 [" gdata from NASA's Dawn spacecraft. The 60-kilometer-wide Marcia crater (at ( V+ c, S; z  P! ^
bottom) is one of the youngest large craters on Vesta with a small central peak, 9 g  @1 b0 ]7 }5 `* Q
as well as light and dark streaks on its walls. See the series of six Reports ) q; Y$ A% k9 \: S; `( @% i& t
beginning on page 684. Image
/ R9 P+ a- t$ B+ {1 n1 ?1 o7 Ngenerated using Dawn Framing Camera images: Lucille Le Corre (MPS), David
% s5 I/ W! ^& \7 tO'Brien (PSI), Vishnu Reddy (MPS/UND); PI of Dawn mission: Christopher T.
+ d3 Z+ n; l- f4 mRussell (UCLA); Dawn Framing Camera leader: Andreas Nathues (MPS), significant : J+ X8 b: A3 ^9 c- {/ ~
contributions from Ralf Jaumann (DLR) 7 W$ C0 y/ y6 v* C0 |$ p9 _- Z. G
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