1 / 98
文档名称:

[太阳系百科知识[第二版]]-encyclopedia-of-the-solar-system-second-edition_部分9.pdf

格式:pdf   页数:98
下载后只包含 1 个 PDF 格式的文档,没有任何的图纸或源代码,查看文件列表

如果您已付费下载过本站文档,您可以点这里二次下载

分享

预览

[太阳系百科知识[第二版]]-encyclopedia-of-the-solar-system-second-edition_部分9.pdf

上传人:管理资源吧 2012/1/5 文件大小:0 KB

下载得到文件列表

[太阳系百科知识[第二版]]-encyclopedia-of-the-solar-system-second-edition_部分9.pdf

文档介绍

文档介绍:CLBE001-ESS2E November 8, 2006 2:31
764 Encyclopedia of the Solar System
radar sounder to probe many kilometers below that object’s tary Radar Astronomy,” NASA History Series No. SP-4218. NASA,
fractured crust using meter- to several-decameter wave- Houston.
lengths. Anather possibility is to use radar reflection tomog- Harmon, J. K., Nolan, M. C., Ostro, S. J., and Campbell, D. B.
raphy to construct a three-dimensional image of the inte- (2004). Radar studies et nuclei and ae. In “Comets
rior of an asteroid et. Meanwhile, the Mars Advanced II”(M. Festou, U. Keller, and H. Weaver, eds.), pp. 265–279. Univ.
Radar for Subsurface and Ionospheric Sounding (MARSIS) Arizona Press, Tucson.
Magri, C., Ostro, S. J., Rosema, K. D., Thomas, M. L., Mitchell,
on the European Space Agency’s Mars Express spacecraft
D. L., Campbell, D. B., Chandler, J. F., Shapiro, I. I., ini,
has probed the depths of Mars’ north and south polar de- J. D., and Yeomans, D. K. (1999). Mainbelt asteroids: Results of
posits, and the Shallow Subsurface Radar (SHARAD) is Arecibo and Goldstone radar observations of 37 objects during
about to start searching for subsurface water on Mars from 1980–1995. Icarus 140, 379–407.
NASA’s Mars Reconnaissance Orbiter. Ostro, S. J. (1993). ary radar astronomy. Rev. Modern
Reconnaissance of near-Earth asteroids will occupy Physics 65, 1235–1279.
ground-based radar astronomy indefinitely. Most of the op- Ostro, S. J., and ini, J. D. (2004). The role of radar in pre-
tically discoverable NEAs traverse the detectability win- dicting and preventing asteroid et collisions with Earth. In
dows of Arecibo and/or Goldstone at least once every few “Mitigation of ets and Asteroids”(M. J. S. Belton,
decades, and efforts are under way to increase the NEA D. K. Yeomans, and T. H. Morgan, eds.), pp. 38–65. Cambridge
discovery rate by more than an order of magnitude. The Univ. Press, Cambridge, England.
Ostro, S. J., Hudson, R. S., Benner, L. A