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How Astrolabes Work

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Astrolabes are exquisitely crafted instruments that have hundreds of uses. Isn't it time you learned how to use this handy decoder of the sky?

How Many Dimensions Are There?

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A dimension is how we explain the ability to move through space. Are there more to dimensions than just spatial movement? Learn about dimensions.

Aldebaran: The Brightest Star in the Constellation Taurus

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Aldebaran is not just the brightest star in the constellation Taurus, it's also the 14th brightest star in the sky.

What and where is the dark side of the moon?

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Dark side of the moon is term that is used freely in pop culture. But what is the dark side of the moon? Learn more.

What is relativity?

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Relativity is the famous theory that was created by Albert Einstein. Learn about relativity in this article from HowStuffWorks.

Is Ophiuchus the 13th Zodiac Sign?

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Thousands of years ago, the Babylonians created the zodiac and dropped a constellation when it didn't quite fit into their schematic. Its name? Ophiuchus. Should it be part of our horoscope?

How Dark Matter Works

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For decades, stargazing scientists have been facing their own darkness on the edge of town as they try to explain one of astronomy's greatest mysteries: dark matter. Have they been successful, or will the universe carry its secrets for a long time?

How Telescopes Work

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For centuries, curious observers have probed the heavens with the aid of telescopes. Today, both amateur and professional scopes magnify images in a variety of ways.

What is the Milky Way?

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It's your home, and a colossally sized one at that. How much do you know about your galactic digs and their residence amid the yawning universe?

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