Nature's spectacular light show in the sky is solar powered.

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Thanks to a number of sensationalized movies and documentaries, you might be wondering whether there’s any truth to the claims that the world will come to an end on December 21, 2012. The reality is that all these stories are just plain wrong!

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The Earth's magnetic field is just like a bar magnet, which explains its effect on other planets.

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Black holes are regions in space resulting from stars that have "died" and collapsed in on themselves. Their gravitational field is so strong that nothing can escape, not even light.

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