BERLIN — If you want to catch a last glimpse of Chinese satellite Tiangong-1, you better hurry. Circling the earth at a speed of 17,500 mph every 90 minutes, the 19,000-pound satellite will likely have vanished by the end of this weekend, to reappear as a fireball for up to a minute or more somewhere over the skies of […]
Source: http://www.washingtonpost.com/blogs/worldviews/wp/2018/03/29/you-know-that-chinese-satellite-crashing-to-earth-within-days-its-not-alone/
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