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What causes a rainbow?
Learn how to be in the right place at the right time to see them.
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How did Earth's atmosphere form?
Did you know Earth is on its third atmosphere? We wouldn't have liked the first two at all!
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Why does the atmosphere not drift off into space?
After all, it is only air. What keeps it here?
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Why is the sky blue?
This may sound like an easy question--but it's not.
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Gallery of weather
Never boring, never the same twice, weather keeps it real.