A new image shows that an asteroid which was deliberately struck by Nasa’s Dart probe has left a trail of debris stretching thousands of kilometres.
A telescope in Chile captured the remarkable picture of a comet-like plume spreading behind the giant rock.
The American space agency’s Dart probe has smashed into an asteroid, destroying itself in the process.
The collision was intentional and designed to test whether space rocks that might threaten Earth could be nudged safely out of the way.
Scientists can’t pinpoint the exact year that an asteroid came out of the sky to wipe out the dinosaurs but they’re sure now that the huge space rock struck Earth in the Northern Hemisphere springtime.
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