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Last Updated: Thursday March 03 2011 19:04 GMT

Top secret UFO files reveal crazy spaceships!

A drawiing of a spotted UFO

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For years people have been asking the question - is there life on other planets?

Well top secret files have been released by the government and maybe they could reveal the answer....or maybe not.

What they do show though, is that lots of people over the years think they've spotted UFOs in the sky.

Have a look at this clip to see what they THINK they've seen.....

SEE ALSO