- Asteroids are smaller than planets.
- They are made form the left over formation of the solar system.
- Most asteroids are found in the asteroid belt between Mars and Jupiter.
- When asteroids crash they can break apart and change orbit.
- The orbits of some asteroids cross the earths orbit.
- In the past when a asteroid has hit earth it has caused a dramatic amount of energy to be released affecting the earths climate.
- Scientist worry that if a asteroid was to hit earth-
1.The impact would form a crater which could trigger a ejection of hot rocks.
2.The heat would cause widespreed fires.
3.Sunlight would be blocked from the dust.
4.Climate change.
5.Could make whole species extinct also effecting other species.
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