Saturday, March 8, 2014

ScienceDaily: Astronomy News

ScienceDaily: Astronomy News

NASA's WISE survey finds thousands of new stars, but no 'Planet X'

Posted: 07 Mar 2014 01:06 PM PST

After searching hundreds of millions of objects across our sky, NASA's Wide-Field Infrared Survey Explorer (WISE) has turned up no evidence of the hypothesized celestial body in our solar system commonly dubbed "Planet X."

Cassini nears 100th Titan flyby with a look back

Posted: 05 Mar 2014 08:11 AM PST

Ten years ago, we knew Titan as a fuzzy orange ball about the size of Mercury. We knew it had a nitrogen atmosphere -- the only known world with a thick nitrogen atmosphere besides Earth. But what might lie beneath the hazy air was still just a guess.

Mystery of planet-forming disks explained by magnetism

Posted: 07 Mar 2014 09:46 AM PST

Astronomers say that magnetic storms in the gas orbiting young stars may explain a mystery that has persisted since before 2006. Researchers using NASA's Spitzer Space Telescope to study developing stars have had a hard time figuring out why the stars give off more infrared light than expected. The planet-forming disks that circle the young stars are heated by starlight and glow with infrared light, but Spitzer detected additional infrared light coming from an unknown source.

Public could virtually 'travel' to space for $90 through new project

Posted: 07 Mar 2014 05:38 AM PST

Researchers have launched a unique campaign that will enable the public to 'travel' to space for the cost of a pair of trainers. Virtual Ride to Space will use cutting-edge virtual technology and a specially designed spacecraft to deliver a three-dimensional, immersive experience, allowing everyone to see what astronauts experience on an ascent to space.
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