The+Universe

=If you think our Earth is a big planet, look the size of other planets and stars of the Universe.=

media type="youtube" key="aagnFu4oJtg" width="560" height="315" = = =Now, learn a little bit about the solar system:=

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 * In this video you can watch some interesting things about Halley comet:**

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 * Learn about the ten biggest meteorites that had been found in planet Earth:**

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