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From: clutterer	4/19/2011 10:52:45 AM
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Cosmic blast in distant galaxy that has so far lasted for 11 DAYS puzzles scientists By Daily Mail Reporter Last updated at 1:18 PM on 8th April 2011 Comments (107) Add to My Stories Gamma-ray explosions normally last a couple of days Reminiscent of a space invaders computer game from the early 1980s, this is actually a cosmic blast in a distant galaxy. The extraordinary gamma-ray explosion was observed on March 28 by Nasa's Swift satellite. It has left astronomers scratching their heads - because it has so far lasted an incredible 11 days. Not a quitter: This image of an extraordinary gamma-ray explosion was taken on March 28 - it has left scientists puzzled because it continues to burn Flaring from such an event usually lasts a couple of hours. But scientists are perplexed by this blast because, unusually, the effects are so long-lasting. More...Match made in heaven: Earth finds new companion as giant asteroid joins its path around the sun Mist-capped volcanoes of Mars: The amazingly clear images that show how the Red Planet was transformed by meteor impacts More than a week later, they are continuing to see high-energy radiation spiking and fading at the source. The burst was likely caused by a star that was ripped apart after drifting too close to a super-massive black hole. Artist's impression: Nasa's Swift satellite, pictured in front of a gamma-ray burst exploding, photographed the blast in a distant galaxy Since the explosion, the Hubble Space Telescope and Chandra X-ray Observatory have focused on the aftermath. Hubble will observe if the galaxy's core changes brightness in the coming days. The galaxy is 3.8billion light years from Earth Read more: dailymail.co.uk

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