查询词典 asteroid

Also shown in recent years to be one in a growing list of double asteroids, new observations during August and October 2004 made at the Paranal Observatory convincingly demonstrate that 87 Sylvia in fact has two moonlets - the first known triple asteroid system.

近年的研究表明它是被越来越多地发现的&双小行星&中的一员，而2004年8月到10月间，由Paranal山欧洲南方天文台作出的观测，不容置疑地向我们揭示了87号小行星Sylvia实际上拥有2个小卫星——这是首个已知的三小行星系统。

Launched in 2007, the Dawn satellite is due to rendezvous with the large Vesta asteroids and with Ceres, the largest planetoid in the asteroid belt.

在2007年推出的&曙光&卫星目的是会合小行星灶神星和小行星带中最大的一员谷神星。

We have derived their synodic periods and estimated the shape and orientation of rotational axis for one asteroid. In this thesis, several aspects were involved:(1) Why do we study the asteroids?(2) Based on two classical photometric models of the asteroids, the luminosity variation of the asteroids were introduced.

为了了解小行星的光度这个物理量，在第二章中介绍了两种经典的小行星光度模型，讨论了小行星光度随相位角的变化及冲效应对光度的影响，分析说明了引起小行星光度变化的若干因素。

The asteroid bodies are made up of hydroxylapatite, which in turn consists of calcium and phosphates or phospholipids.

星状体物质是由羟基磷灰石组成的，也包含钙，磷或磷脂。

The astronomers estimate that each asteroid is about 980 to 1,480 feet (300-450 meters) in diameter, or possibly just over a quarter-mile.

天文学家估计每一颗小行星直径大约是980到1，480英尺（300—450米），或者很可能仅仅是超过四分之一英里。

The infant had been orphaned on a desolate world near the Arah asteroid belt.

这个孩子是阿拉小行星带附近一个荒凉世界的弃婴。

It remains unscathed while other rocks and minerals melt and re-form under the tremendous heat and pressure of continental shifts, mountain-building, and violent asteroid impacts.

它仍然劫数而其他岩石和矿物融化，重新组成巨大的热力和压力下，大陆转移，山区建设、暴力小行星冲击。

When on the asteroid's surface, low gravity situations never apply to the equipment you brought with you---unless you need to leap over a giant canyon.

当在流星表面时，低重力的情况绝对不会对你带的装备产生作用----除非你需要跳过一个大峡谷。

If there were in fact rocky planets within the inner gap between the star and asteroid belt, the worlds would likely reside within the star's habitable zone where temperatures would be such that life could survive.

如果在恒星和小行星带之间的内围间隙中确实存在岩石行星，那么这些星球可能会位于这颗恒星的可居住带上，其温度可能会适于生命生存。

To be nominally but not actually independent; no one actually saw the shark; large meteorites actually come from the asteroid belt.

是名义上而不是真正地独立；没有人真正看到过鲨鱼；大陨星其实来自小行星带。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了