NASA satellites are always orbiting Earth, looking down at our oceans and clouds.

美家航空航天局的卫星总是绕着地球运行，俯视着我们的海洋和云层。

A new mission from NASA called DART or the Double Asteroid Redirection Test plans to deliberately smash the spacecraft into an asteroid's moon and it's getting closer to its target.

美家航空航天局的一项名为DART或双小行星重定向测试的新任务计划故意将航天器撞向一颗小行星的卫星，使其越来越接近目标。

And NASA used a plane and a Pegasus rocket to launch a satellite.

美家航空和宇宙航行局利用一架飞机和一枚飞马火箭发射了一枚卫星。

The International Civil Aviation Administration has officially recognized China's Beidou Navigation Satellite System, or BDS.

际民用航空局正式承认中的北斗卫星导航系统。

ALICE WINKLER: Berger had spent the previous three years using a handheld GPS and satellite maps he bought from NASA for thousands — sometimes tens of thousands — of dollars, to try and plot the coordinates of known fossil sites.

花了三年的间，用从美家航空航天局花了几千——有几万——美元买来的手持式 GPS 和卫星地图，试图绘制出已知化石遗址的坐标。

Dr Sweeney's team, working in collaboration with Astrium, a satellite-and-space company that is part of EADS, a European aerospace group, will test the system in a large aircraft hangar in Germany.

斯威尼(Sweeney)博士领导的研究小组与欧洲航空航天集团EADS下属的卫星与空间公司astrium合作研发，他们将在德一座大型飞机库内对该系统进行测试。

Moving now to New Zealand where Aerospace manufacturer rocket Labs electron rocket carried NASA's Capstone device to map a path for the orbit of a moon-based space station named Gateway, NASA Dove's Gateway a staging point for long-term deep space exploration.

现在我们将目光转向新西兰，航空航天制造商火箭实验室的电子火箭搭载了 NASA 的 Capstone 设备，以绘制基于月球的空间站门户的轨道路径，NASA 鸽子卫星系统的门户是长期深空探索的中转点。

Armed with that possibility, the European Space Agency and NASA are sending probes deep into our solar system to look specifically at Jupiter's icy moons.

有了这种可能性，欧洲航天局和美家航空航天局正在向太阳系深处发射探测器，专门观察木星的那些冰冷卫星。

After discovering some of these moons have actual oceans under their icy surfaces, the European Space Agency and NASA want to know, can these celestial bodies support life?

在发现其中一些卫星的冰面下确实有海洋之后，欧洲航天局和美家航空航天局想要知道，这些天体能否孕育生命？

NASA considers Didymos a " binary asteroid system" . This means it is made up of a large, main asteroid, and a smaller " moonlet" asteroid.

美家航空航天局认为" 迪迪莫斯" 是" 双星小行星系统" ，这意味着它由一颗大型主行星和一颗较小的小行星" 卫星" 组成。

So is the Japan Aerospace Exploration Agency's X-ray Imaging and Spectroscopy Mission — an Earth-orbiting satellite that will detect X-ray radiation from distant stars and galaxies.

日本宇宙航空研究开发机构的x射线成像和光谱任务也是如此，这是一颗绕地球运行的人造卫星，将探测来自遥远恒星和星系的x射线辐射。

Data captured by NASA's Kepler space telescope before it was retired in 2018 suggested the presence of a moon 2.6 times the diameter of Earth.

美家航空航天局的开普勒太空望远镜在2018年退役前捕获的数据表明，存在一颗直径为地球2。6倍的卫星。

In 2007 NASA launched five satellites to study the magnetosphere, in a mission called Time History of Events and Macroscale Interactions during Substorms, or THEMIS.

2007年，在亚暴期间事件的间历史和宏观相互作用的任务中，美家航空航天局发射了5颗卫星来研究磁层。

The biggest ones in the Pantanal this year are four times the size of the largest fire in Brazil's Amazon rainforest, NASA satellites show.

美航空航天局（NASA）的卫星显示，今年潘塔纳尔湿地最大的火灾是巴西亚马逊雨林最大火灾的四倍。

NASA used the 49th anniversary of Earth Day on Monday to release satellite imagery that shows how much carbon dioxide actually warms the Earth.

美家航空航天局利用周一地球日四十九周年纪念日发布的卫星图像显示，二氧化碳实际上使地球变暖了多少。

It is the first time SpaceX has won a government contract to build satellites. The American aerospace company is best known for its rockets.

这是美太空探索技术公司首次赢得为政府打造卫星的合同。这家美航空航天公司以其火箭而闻名。

If all goes well, the three-stage rocket designed by the Korea Aerospace Research Institute will carry a dummy satellite into space on Thursday.

如果一切顺利，韩航空宇宙研究院设计的3级火箭将于周四搭载模拟卫星进入太空。

Their disappearance, Serreze said, was confirmed last month, when NASA satellite images of the area showed a complete lack of snow and ice.

塞雷泽表示，这些冰盖的消失在上个月得到证实，当美家航空航天局拍到的卫星图像显示，该地区已完全没有冰雪。

In 2006, data gathered by Nasa's Wilkinson satellite suggested that the Universe itself may be an ellipsoid — an oval.

2006 年，美家航空航天局的威尔金森卫星收集的数据表明，宇宙本身可能是一个椭圆体——椭圆形。

According to NASA, 2009 is believed to be the first year when two communication satellites accidentally collided in space.

根据美家航空航天局，在2009年，两颗通信卫星第一次在太空中发生意外相撞。