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Types of Galaxies: Why Galaxies Come in Different Shapes

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Galaxies are complex systems held together by gravity, but the shapes of different types of galaxies are a result of gravity along with rotation speed and time.

How Terraforming Mars Will Work

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The thought of terraforming Mars is one of those ideas so outrageous that it just might work! Learn how it will work!

How Real Transformers Work

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Transformers exist in real life, but they don't quite resemble the robots from the movie. Learn about real transformers and how these robots are used.

Which of today's animals lived alongside dinosaurs?

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Which of today's animals lived alongside dinosaurs? Some animals' ancestors lived with dinosaurs. Learn which current animals lived alongside dinosaurs.

How do trees affect the weather?

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How do trees affect the weather? Learn how trees can influence not only the five-day forecast, but global climate patterns and global warming.

5 Tips for Throwing a 1950s Dinner Party

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Are you looking for information on tips for throwing a 1950s dinner party? Check out this article and learn 5 tips for throwing a 1950s dinner party.

Did the Mayan civilization end because of climate change?

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Over the years, many theories have been advanced about why the once-mighty Mayan civilization fell. But a newer one is getting attention: Was it because of climate change?

Could a gamma-ray burst wipe out all life on Earth?

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When a huge star collapses, it releases massive amounts of radiation in concentrated streams. If one of those streams hit Earth, it wouldn't be pretty. But where should we put "gamma-ray bursts" on our list of anxieties?

Just How Many Galaxies Are in the Universe?

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Galaxies are large systems of stars, gas, dust and dark matter that orbits a center and is bound by gravity. Learn about the characteristics of galaxies.

Can someone own the moon?

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Can someone own the moon? Learn all about real estate on the moon what it takes to get your own lunar property.

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