It's an unwanted yuletide tiding for Christmas 2032 but stargazers are keeping a close watch on a giantasteroid measuring up to 100 metres that has Earth in its sights. Carla Mascarenhas is the ...
But what exactly is an asteroid, and what are the chances this one could hitEarth? Here's everything ... The solar system began when a giant cloud of gas and dust collapsed and most of the ...
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