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Our Glaciers: Then and Now activity kit helps you see the changes taking place in glaciers around the world. See all our activity kits and classroom activities.

Attention Astronomers!
News story originally written on March 15, 1999

Right now you can see all 110 Messier objects in one night. This only happens for a little while each year. There's a new moon out so the night sky is dark. That makes it easier to see the objects.

During special times like this, people try to see how many Messier objects they can find in one night. They call it a Messier Marathon.

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