DescentBB

Posted: **Sun Apr 29, 2007 5:36 am**

Depends on the class to some extent... red dwarf stars are still detectable to a fair distance, but the \"brown\" dwarfs are only visible in the IR spectrum from what I hear.

Posted: **Mon Apr 30, 2007 2:50 am**

More info on the planetary system of Gl 581 : http://obswww.unige.ch/~udry/udry_preprint.pdf

DescentBB

First extrasolar possibly habitable planet found