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Last Updated: Monday March 21 2011 12:19 GMT

Super moon - the moon gets bigger and brighter!

Super moon

If you thought the moon looked bigger and brighter than usual this weekend - you weren't imagining things - it was!

Super moon behind buildings in New York in America.

It was a super moon! It happens when the full moon is at its closest point to Earth during its orbit of our planet.

Super moon in America

This weekend the super moon was the best we've seen for almost 20 years.

Super moon, with people on the London Eye looking at it.

The moon's orbit is an oval shape so the size of the full moon that we see can vary. Here are people in the London Eye getting a great view of the super moon.

Bright super moon behind a building.

A super moon can look 14% bigger and up to 30% brighter than a normal full moon.

Bright super moon

It looked cool, but it can cause problems for ships. The moon affects tides at sea so when the moon is closer, it can change the pattern of the waves.