NASA Science News for November 28, 2007 Astronomers using NASA's Chandra X-ray Observatory have discovered one of the fastest stars ever seen--a "cosmic cannonball" that is challenging theories to explain its blistering speed. FULL STORY at http://science.nasa.gov/headlines/y2007/28nov_cosmiccannonball.htm?list1052465 Check out our RSS feed at http://science.nasa.gov/rss.xml!
