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Mar 28, 2012

What happened?

Look at this picture of Wave Rock in Western Australia. How did it get to be this shape?

 

Fact!

The Sun, made mostly of helium and hydrogen, has a surface temperature of 6000 degrees Celsius.

Your oven at home heats to about 300 degrees Celsius.

Mar 23, 2012

Fact!

It takes 8 minutes for light from the Sun to reach us on Earth.

Mar 22, 2012

Fact!

Humpback whales create the loudest sound of any living creature.

Amazing Shadow Puppets

Why are shadows possible?


Because light only travels in straight lines.