asteroids are, small planets, small rocky objects, made of gases, asteroids orbit around, planets, the moon, the sun, most asteroids are between, Mercury and Venus, Mars and Jupiter, Uranus and Neptune, asteroids , are round, have the same shape, have irregular shapes, asteroids usually ---------- when they touch the atmosphere, desintegrate, disappear, explode, scientist think that an asteriod hit the earth and made _________ disappear, birds, dinosaurs, humans, the zone where asteroids obit is called:, the asteroid scarf, the asteroid hat, the asteroid belt.

asteroids

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