The asteroids are ___ small. A. very B. little C. some D. few 相关知识点: 试题来源: 解析 A。解析:小行星通常是非常小的,选项 B“little”少的、小的不准确;选项 C“some”一些不恰当;选项 D“few”很少的不用于形容大小。反馈 收藏 ...
百度试题 结果1 题目Asteroids are mostly ___. A. large B. small C. bright D. dark 相关知识点: 试题来源: 解析 B。“large”表示大的;“small”表示小的;“bright”表示明亮的;“dark”表示黑暗的。小行星大多比较小,所以选 B。反馈 收藏 ...
Though a majority of asteroids lurk in the asteroid belt,NASA says, the massive gravitational influence ofJupiter, thesolar system's largest planet, can send them hurtling through in random directions, including through the inner solar system and thus towardsEarth. But don't worry,NASA's Planetar...
If is, as claimed, a differentiated object whose originally pyroxene-enriched crust layer was lost in a collision that either created the Eunomia family or preceded its formation, can be a fragment of its long-lost basaltic crust that migrated to the current position? Methods: We mapped the ...
A. numerous B. prosperous C. humorous D. fabulous 第四部分:完型填空(共 5 小题;每小题 3 分,满分 15 分) 以下短文中共包含 5 个未完成的句子,针对每个句子中空缺部分有 5 个选项,请从 A 、 B 、 C 、 D 、 E 五个选项中选出正确选项。 Many people would agree ...
百度试题 结果1 题目A constellation is a group of ___. A. stars B. planets C. comets D. asteroids 相关知识点: 试题来源: 解析 A。星座是由一组恒星组成的。选项 B 行星;选项 C 彗星;选项 D 小行星都不是星座的组成部分。反馈 收藏
结果1 题目There are eight ___ in the solar system. A. planets B. moons C. stars D. asteroids 相关知识点: 试题来源: 解析 A。太阳系有八颗行星。moons 是卫星;stars 是恒星;asteroids 是小行星。太阳系主要由八颗行星组成。反馈 收藏
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Binzel R P, A'Hearn M, Asphaug E. Interiors of small bodies: foundations and perspectives. Planet Space Sci , 2003 , 51: 443 -454 CrossRef Google Scholar [17] Ostro S J, Benner L A M, Nolan M C. Radar observations of asteroid 25143 Itokawa (1998 SF36). Meteoritics Planet...
Design of optimal asteroid tours is a difficult problem to tackle mainly because the number of potential sequences increases exponentially with the amount of considered objects, each leg being the result of a trajectory optimization process: the underlying combinatorial chal- lenge can be seen as an...