围绕地球的

The earth satellite is an artificial object in speed, which revolves around the earth following a specific orbit.

地球的卫星是一个人造物体的速度，它围绕地球轨道后，具体的。

But had Galileo followed the results of his observations to their logical conclusion, he should have backed another system - the Tychonic view that Earth didn't move, and that everything else circled around it and the Sun, as developed by Danish astronomer Tycho Brahe in the sixteenth century.

但是，如果伽利略尊重观测事实并运用逻辑推理，他应该证明的是另一个观点是真确的，即托勒密认为的地球不动而其他星体都围绕地球和太阳做圆周运动，这是16世纪丹麦天文学家第谷提出的观点。

But in his time, a lot of people thought that Christopher Columbus was a crackpot.

当时人们认为他很怪，有神经病，因为他说航行可以围绕地球转，但是事实证明他是对的，所以他是聪敏，不能算是crackpot。

Its mean diameter is 3,475 kilometers (2,160 miles), its mass approximately one eightieth that of Earth, and its average period of revolution around Earth 29 days 12 hours 44 minutes calculated with respect to the sun.

它的平均直径为3，475公里2，160英里），它的质量约为地球的八十分之一，参照太阳，它围绕地球旋转的平均周期为29天12小时44分钟

Problem 3 The Earth orbits the Sun elliptically with the Sun as one focus.

素描椭圆。问题三地球围绕太阳的椭圆与太阳作为一个重点。

The spinning outer core of the Earth generates a protective magnetic shield around the planet, defending life from lethal space radiation.

而地球的外核是一层具有磁性的防护罩，它保护着地球，使地球不被宇宙的射线所伤，并能围绕着行星转动。

Astrometry with new technologies created and is dedicated to the Space Telescope astrometric space orbit around the Earth observation and research on the scientific .1989 8 8, the European Space Agency launch astrometric Satellite Iba Valley satellite, which contains a 29 cm diameter reflecting telescope, four ground stations for data reception and analysis with the aim of space-based observations compiled by 120,000 to contain space for satellite measurement of star form, the location accuracy of ± 0002, parallax measurement accuracy ± 0002, on their own a year 0002, CDCDCD preliminary estimate of the above three data are now actual for the 0004,0003 and 0005; CDCDCD190 year in April the U.S. launch of the Hubble Space Telescope, containing 24 m diameter Wang C far mirror can work 15-20 years, 17-18 so you can measure the parallax of stars, are hundreds of thousands of stars of the measurement results.

伴随天体测量新技术而产生，是专门用于天体测量的空间望远镜在围绕地球的空间轨道上进行观测研究的科学。1989年8月8日，欧洲空间局发射天体测量卫星伊巴谷号卫星，它载有口径29厘米反射望远镜，4个地面观测站进行资料接收与分析，目的是要通过空间观测编出含星12万颗的空间测量星表，位置精度为±0002，测量视差的精度为±0002，自行为每年0002，CDCDCD现在初步估计上述三个数据实际为0004、0003和0005；CDCDCD190年4月美国发射哈勃空间望远镜，载有口径24米的望C远镜，可工作15—20年，可以测量出17—18等星的视差，得到几十万颗星的测量结果。

The first of which surrounded the shattering of Earth at an earlier juncture in Earth's evolution.

第一批围绕着地球的灵魂碎片在地球早期演化的接合点上。

It has been recognised for its imaginative stories, creative low-budget special effects during its original run, and pioneering use of electronic music (originally produced by the BBC Radiophonic Workshop).

Doctor Who》的故事围绕着拥有神奇力量、可以纵横时空、穿梭宇宙、主宰时间的外星人「博士」。博士表面上看来跟平常地球人没半点分别，却背负着保护地球的使命。

NASA had previously estimated the chances at only 1 in 45,000 but told its sister organization, the European Space Agency, that the young whizzkid had got it right.

马夸特考虑到了阿波菲斯行星在2029年4月13日靠近地球时与一颗或多颗围绕地球运转的卫星相撞的可能性。

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