Question

can the collision of asteroid to the earth be avoided?​

Answer 1

Answer:

It turns out that it's very difficult to knock an asteroid onto an entirely new trajectory; instead, the key is to slow a space rock down or speed it up enough that it reaches the trouble point in its orbit before or after Earth has already been there.

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Answer 2

Explanation:

One way to deflect an asteroid is to change its speed. If an asteroid is travelling 10 km/second, reducing its speed by 2 mm/second would be enough to deflect it. Since asteroids can be very large, changing its speed even a little can make it change course