BBC News published this video item, entitled “Nasa Dart spacecraft successfully smashes into asteroid – BBC News” – below is their description.
Nasa has successfully crashed its Dart spacecraft into an asteroid.
The American space agency was testing whether space rocks that might threaten Earth could be nudged out of the way. This is the first experiment of its kind by Nasa.
The asteroid hit was not headed for the Earth, however scientist Dr Elena Adams said “earthlings should sleep better” knowing they had a planetary defence solution.BBC News YouTube Channel
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