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What If We Had Two Suns?
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Double the suns means double the suntan, double the solar energy and double the awesome sunsets, right? Well, not exactly. Having two suns might sound fun, but it would probably make for a pretty different environment here on Earth.
The Ancient Civilizations Quiz
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It's time to take a trip back in time to some of the first civilizations to live on the planet. Do you think you could have lived along with them? Take the quiz to find out!
Does Earth Have Rings?
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Sure, Saturn's luminous rings are a cosmic marvel, but did you know that Earth once had rings? If we still had them today, what would they look like?
Is there really water on Mars?
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Photographs have recently shown that there may be water on Mars. Find out if there's water on Mars and what that could mean for life on Mars.
What If the Sun Disappeared for a Week?
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Your vacation would be ruined, and that's not all.
The Mars Quiz
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Mars: There's been a lot of misinformation and myth-making about our nearest neighbor in the Solar System. Can you sort out the truth from the sci-fi? Try it now with our quiz!
The Great Red Spot May Expose Jupiter's Watery Secret
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Finding a reservoir of water on Jupiter is one of the most pressing issues in planetary science. Learn more about water on Jupiter at HowStuffWorks.
Why Does Earth Spin?
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Every 24 hours, Earth makes a full rotation on its axis. But why does Earth spin in the first place?
Why Is the Thwaites Glacier Called the 'Doomsday Glacier'?
science.howstuffworks.com/environmental/earth/geology/thwaites-glacier.htm
Scientists are concerned that the Thwaites Glacier is melting at a rapid pace, though some don't love the name "Doomsday Glacier." What does the rapid melt of this huge glacier mean for the future of our planet?
A Comprehensive Guide to the Layers of the Earth
science.howstuffworks.com/layers-earth.htm
Delve into the Earth's layers: crust, mantle, outer core, and inner core. Discover the secrets beneath our feet and the dynamic processes at play.