Earth

What Are These Mysterious Green Lights Photographed From the Space Station?

by Jason Major August 18, 2014

Want to stay on top of all the space news? Follow @universetoday on Twitter “Bangkok is the bright city. The green lights outside the city? No idea…” This was the description accompanying the photo above, perplexingly Tweeted by Expedition 40/41 astronaut Reid Wiseman on Aug. 18, 2014. And while we’ve all seen fascinating photos of our planet shared by […]

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How Do The Tides Work?

by Fraser Cain August 18, 2014

Anyone who lives close to ocean is familiar with the tides. And you probably know they have something to do with the Moon. But how do the tides work? Do other planets experience tides? Remove this ad Fraser Cain on Google+

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Cool Infographic Compares the Chemistry of Planetary Atmospheres

by Jason Major July 27, 2014

Here on Earth we enjoy the nitrogen-oxygen atmosphere we’ve all come to know and love with each of the approximately 24,000 breaths we take each day (not to mention the surprisingly comfortable 14.7 pounds per square inch of pressure it exerts on our bodies every moment.) But every breath we take would be impossible (or at least quickly […]

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How Can We Move the Earth?

by Fraser Cain June 30, 2014

Sooner or later we’re going to want to move the Earth further away from the Sun. It turns out, there are a few techniques that might actually make this possible. Not easy, but possible. Remove this ad Fraser Cain on Google+

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Why is Everything Spherical?

by Fraser Cain June 26, 2014

Have you ever noticed that everything in space is a sphere? The Sun, the Earth, the Moon and the other planets and their moons… all spheres. Except for the stuff which isn’t spheres. What’s going on? Remove this ad Fraser Cain on Google+

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