planet

An Afternoon on Mars

by Jason Major March 28, 2014

Want to stay on top of all the space news? Follow @universetoday on Twitter Here’s a pretty picture for your Friday: a mosaic of Mastcam images acquired by Curiosity on mission Sol 582, also known to us Earthlings as Thursday, March 27, 2014. Barsoom sure looks lovely this time of year! Remove this ad Jason […]

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Mercury Shrinking: the First Rock from the Sun Contracted More than Once Thought

by Jason Major March 16, 2014

Whatever Mercury’s did to trim down its waistline has worked better than anyone thought — the innermost planet in our Solar System has reduced its radius* by about 7 kilometers (4.4 miles), over double the amount once estimated by scientists. Of course you wouldn’t want to rush to begin the Mercury diet — its planetary […]

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This Time-Lapse ISS Video Isn’t Just Another Time-Lapse ISS Video

by Jason Major December 3, 2013

It’s actually remarkably beautiful, and well worth two minutes of your time.* Assembled from actual photographs taken by astronauts aboard the Space Station, many of them by Don Pettit during Expedition 31 (Don took a lot of photos) this timelapse “The World Outside My Window” by David Peterson ramps up the artistic value by featuring […]

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The Day the Earth Smiled: Saturn Shines in this Amazing Image from the Cassini Team

by Jason Major November 12, 2013

This summer, for the first time ever, the world was informed that its picture was going to be taken from nearly a billion miles away as the Cassini spacecraft captured images of Saturn in eclipse on July 19. On that day we were asked to take a moment and┬ásmile and wave at Saturn, from wherever […]

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Fly Across Mercury with MESSENGER!

by Jason Major November 8, 2013

Take a ride on the Mercury express and see what MESSENGER sees in these two new videos! Each made from over 280 Narrow-Angle Camera (NAC) images taken at intervals of four seconds, the videos give us a first-class seat on a flight over some of the rugged, sun-scorched surfaces on Mercury’s southern hemisphere. Check out […]

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