PDA

View Full Version : Supernova, Before and After



Fraser
2005-Sep-06, 10:47 PM
SUMMARY: When astronomers discover a supernova, it's too late to learn much about the star before it exploded. Even if astronomers have a picture of its home galaxy before the star went supernova, there are often too many stars in the area to pick out the progenitor star. An international team of astronomers got a lucky break when a supernova exploded in the relatively nearby Whirlpool Galaxy (M51) which was well photographed by Hubble. By comparing archived pictures with a new photo containing the supernova, they were able to find the exact star that exploded.

View full article (http://www.universetoday.com/am/publish/hubble_pinpoints_m51_supernova.html)
What do you think about this story? post your comments below.