How can we defend Earth against asteroids? This scientist has an idea

The traditional approach to this hypothetical scenario is to deflect the orbit of the incoming threat, but a scientist recently proposed an innovative approach.

Scientists explain alien comet 'Oumuamua's strange acceleration

'Oumuamua (pronounced oh-MOO-uh-MOO-uh) lacks the tail of gas and dust characteristic of many comets.


Comet the size of Jerusalem's Old City flying by Earth - and you can watch

The comet was designated C/2022E3 (ZTF) and it was discovered in early March 2022 by the Zwicky Transient Facility. It isn't going to hit us, but it will be visible with the naked eye.

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