Archive: 04/8/2011

Dawn approaches asteroid Vesta

After three and a half years years of thrusting silently through the void, NASA's Dawn spacecraft is on the threshold of a new world. It's deep in the asteroid belt, less than 4 months from giant asteroid ...

Apr 08, 2011
5 / 5 (6) 3 | with audio podcast

The engine that powers short gamma-ray bursts

(PhysOrg.com) -- These explosions have been puzzling scientists for years: those brief flashes of gamma light can in fact release more energy in a fraction of a second than what our entire galaxy releases ...

Apr 08, 2011
4.9 / 5 (14) 5 | with audio podcast

Cold asteroids may have a soft heart

A new analysis of one of the most well-known meteorites on Earth provides strong evidence that the prevailing view of many asteroids is wrong. Rather than randomly mixed blobs of rock and dust stuck together, ...

Apr 08, 2011
5 / 5 (11) 8 | with audio podcast