This is for Astronomy help pls Does an asteroid need to hit the Earth to do damage? Why or why not?

Yes, in order to do the damage an asteroid needs to hit the earth as just entering into earth's atmosphere wouldn't cause any major casuality. With an asteroid hitting the Earth; dust and smoke rising in the atmosphere prevents sunlight from reaching our world and causes the total temperature to drop. This event can lead to the death of many living things. If an asteroid the size of an apartment hits Earth, this blow could possibly destroy a small city.

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yes your family should move to canada. canada is one the largest country in western hemisphere. and the second largest country in the world after russia. you should also move to canada because of the weather you can have snow and the sun. another thing is that the costing of living out there is not that bad to begin with. you have to know your rights.

explanation:

answer(c) carved on a babylonian clay tablet that showed earth as a flat circular disk;