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Europe’s Mars orbiter relays data from Chinese rover back to Earth

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The European Space Agency’s Mars Express collected data from China’s Zhurong Mars rover and successfully sent it to Earth following a series of experimental communications tests. The Zhurong rover was designed only to communicate with its companion orbiter, Tianwen 1; however, the rover has long outlived its planned mission and the orbiter is no longer … Read more

Our Sun May Have Been Born With a Trouble-Making Twin Called ‘Nemesis’

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A recent model on how stars are formed adds weight to the hypothesis that most – if not all – stars are born in a litter with at least one sibling. Our own star at the center of the Solar System is probably no exception, and some astronomers suspect that the Sun’s estranged twin might … Read more