News tagged with optical telescopes

A new class of dim supernovae

The colossal stellar explosions called supernovae come in many kinds and flavours. Some of them are produced when a massive star reaches the end of its life in a sudden gravitational collapse. Astronomers ...

Jun 05, 2009
4.9 / 5 (8) 5

An Intriguing, Glowing Galaxy

A supermassive black hole may be responsible for the glowing appearance of galaxy 3C 305, located about 600 million light years away in the constellation Draco. Composite data from NASA’s Chandra X-ray Observatory ...

May 14, 2009
4.2 / 5 (13) 1

Swift satellite comet tally highlighted

A montage of comet images made using NASA's Swift spacecraft illustrates just how different three comets can be. The images, including a never-released image of Comet 8P/Tuttle, were shown during a webcast ...

Apr 24, 2009
4.5 / 5 (4) 0

Swift’s Comet Tally

A montage of comet images made using NASA’s Swift spacecraft illustrates just how different three comets can be. The images, including a never-released image of Comet 8P/Tuttle, were shown today during a live, 24-hour video ...

Apr 06, 2009
5 / 5 (3) 1

Scientists Probe Green Comet

(PhysOrg.com) -- Space scientists from the University of Leicester are keeping a close eye on a ‘green comet’ fast approaching the Earth - reaching its nearest point to us on February 24.

Feb 20, 2009
4.2 / 5 (10) 2