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Stars from outside the Milky Way seen zooming through the galaxy

Stars from outside the Milky Way seen zooming through the galaxy

3 May 2018

We’ve seen two runaway stars hurtling through the galaxy at more than 700 kilometres per second, and dozens more going so fast they could escape the Milky Way
The sun’s mysteriously hot corona may be due to invisible plasma

The sun’s mysteriously hot corona may be due to invisible plasma

13 March 2018

The surface of Saturn's largest moon Titan might be covered in salt-like crystals that could be among the ingredients for nitrogen-based microbes

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