PDA

View Full Version : Planet-Forming Disks Might Put the Brakes on Stars



Blob
2006-Jul-24, 05:33 PM
Astronomers using NASA's Spitzer Space Telescope have found evidence that dusty disks of planet-forming material tug on and slow down the young, whirling stars they surround.

Young stars are full of energy, spinning around like tops in half a day or less. They would spin even faster, but something puts on the brakes. While scientists had theorized that planet-forming disks might be at least part of the answer, demonstrating this had been hard to do until now.

"We knew that something must be keeping the stars' speed in check. Disks were the most logical answer, but we had to wait for Spitzer to see the disks" - Dr. Luisa Rebull of NASA's Spitzer Science Center, Pasadena, California.

Read more (http://www.spitzer.caltech.edu/Media/releases/ssc2006-15/release.shtml)

ToSeek
2006-Jul-24, 08:51 PM
ToSeeked by Fraser (http://www.bautforum.com/showthread.php?t=44739)

Blob
2006-Jul-24, 09:25 PM
Hehe,
that was quick.