A nearby star a mere 12 million years old is surrounded by a dusty disk reminiscent of the disk from which the Earth and other planets formed around our sun more than 4.5 billion years ago. Peering into this dusty disk, UC Berkeley astronomers have found that the dust is as fluffy as powder snow.<br><br><a href='http://www.berkeley.edu/news/media/releases/2007/01/08_dust.shtml' target='_blank'>http://www.berkeley.edu/news/media/releases/2007/01/08_dust.shtml</a><br><br>