X-rays reveal 250,000 tonnes of water released by Deep Impact

Over the weekend of 9-10 July 2005 a team of UK and US scientists, led by Dr. Dick Willingale of the University of Leicester, used NASA’s Swift satellite to observe the collision of NASA’s Deep Impact spacecraft with comet Tempel 1. Reporting today at the UK 2006 National Astronomy Meeting in Leicester, Dr. Willingale revealed that the Swift observations show that the comet grew brighter and brighter in X-ray light after the impact, with the X-ray outburst lasting a total of 12 days.

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