Astronomy & Space news

What are asteroids made of?

What are asteroids made of? Asteroids are made mostly of rock—with some composed of clay and silicate—and different metals, mostly nickel and iron. But other materials have been found in asteroids, as well.

dateSep 14, 2015 in Space Exploration
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The moons of Saturn

Saturn is well known for being a gas giant, and for its impressive ring system. But would it surprise you to know that this planet also has the second-most moons in the Solar System, second only to Jupiter? Yes, Saturn has ...

dateSep 14, 2015 in Space Exploration
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Shocks in a distant gamma-ray burst

Gamma ray bursts (GRBs)—flashes of high-energy light occur about once a day, randomly, from around the sky—are the brightest events in the known universe. While a burst is underway, it is many millions of times brighter ...

dateSep 14, 2015 in Astronomy
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Image: Hubble sees a galactic sunflower

The arrangement of the spiral arms in the galaxy Messier 63, seen here in an image from the NASA/ESA Hubble Space Telescope, recall the pattern at the center of a sunflower. So the nickname for this cosmic object—the Sunflower ...

dateSep 14, 2015 in Astronomy
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Supervising two rovers from space

ESA astronaut Andreas Mogensen is proving to be an expert space driver after commanding two rovers from space this week. As part of ESA's Meteron project, Andreas drove a second, car-sized rover from the International Space ...

dateSep 14, 2015 in Space Exploration
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ESA video: Soyuz TMA-16M landing

ESA astronaut Andreas Mogensen, Soyuz spacecraft commander Gennady Padalka and Kazakh cosmonaut Aidyn Aimbetov landed 12 September at 00:51 GMT (02:51 CEST ) in the steppe of Kazakhstan, marking the end of their missions ...

dateSep 14, 2015 in Space Exploration
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