Asteroids aren't much of a risk to Earth – we've already spotted all the big ones 🔵 TomChivers for ipaperviews
Nasa Dart mission: Asteroids aren’t much of a risk to Earth because we’ve already spotted all the big onesIt’s great if we show that we can divert space rocks away from Earth, but the real win has been spotting all the threats and making sure there’s nothing coming our waySince the discovery of the Chicxulub crater in 1981, Nasa has been hunting for space rocks large enough that they could cause serious...
The air would compress in front of it, heating up like the air in a bike pump; the rock would heat to thousands of degrees, the front of it ablating before it hit the ground.
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