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March 27, 2003

Light echoes and mysterious stars

Karen sent a link to an article at about a bizarre new nova-like star that is expanding and cooling in a way astronomers didn't expect. At the same time, it's giving us a show: a light echo, which is light that bounced off larger and larger regions of dust around the star as the star got brighter.

Posted by Chris at March 27, 2003 09:05 AM


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