View Full Version : Swift's Take on Deep Impact

2005-Sep-07, 06:41 PM
SUMMARY: Scientists monitoring NASA's Swift satellite had a good view of Deep Impact's collision with Comet Tempel 1. Although the space-based observatory was designed to watch for gamma ray bursts, its instruments were handy for this observation since it can see in several wavelengths at the same time. One of its most important observations from the impact is a quick rise in ultraviolet light. This means that the impactor struck a hard surface, as opposed to something soft and snowy.

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