Comet 10P/Tempel 2's Nucleus Rotation Determined to Within 10 Seconds - 0 views
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Ernesto Guido on 07 Oct 09Lowell astronomer David Schleicher led a team that made the best measurement of the comet's rotation period, showing that the rotation period of Tempel 2's nucleus has lengthened, or the comet has slowed down, by about 10 seconds every five years.