长征五号遥三火箭发射回放
12月27日20时45分,长征五号遥三运载火箭在中国文昌航天发射场点火升空,2000多秒后将实践二十号卫星送入预定轨道,发射飞行试验取得圆满成功。此次发射飞行试验主要考核长征五号火箭总体方案、各分系统方案的正确性、协调性,对后续航天任务的相关关键技术…
12月27日20时45分,长征五号遥三运载火箭在中国文昌航天发射场点火升空,2000多秒后将实践二十号卫星送入预定轨道,发射飞行试验取得圆满成功。此次发射飞行试验主要考核长征五号火箭总体方案、各分系统方案的正确性、协调性,对后续航天任务的相关关键技术…
The Anti-Atlas Mountains of Morocco formed as a result of the collision of the African and Eurasian tectonic plates about 80 …
在过去的2年中,美国航空航天局(NASA)火星大气与挥发物演化任务(Mars Atmosphere and Volatile Evolution,MAVEN)收集了大量的火星大气数据,利用这些数据,研究人员绘制出了第一幅地球以外的行星高层大气风循环图…
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2019 December 24 A Northern Winter Sky Panorama Image Credit & Copyright: Tomas Slovinsky Explanation: What stars shine i…
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This image from the NASA/ESA Hubble Space Telescope shows IC 2051, a galaxy in the southern constellation of Mensa (the Table…