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Dizzy Planet Has Eight-Hour Day

  1. Apr 30, 2014 #1
    by Jacob Aron

    Do you feel there is never enough time in a day? Then don't move to Beta Pictoris b. A day on this fast-paced exoplanet lasts just 8 hours, making it a poor choice for the temporally challenged.

    Link: New Scientist
  2. jcsd
  3. Apr 30, 2014 #2


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    What's the news here? Jupiter, in our own solar system, has a day equal to just under 10 hours.

  4. Apr 30, 2014 #3
    The news is twofold:

    First, this is the first time astronomers have measured an extrasolar planet's rotation.

    Second, the planet spins faster than any in our solar system. Jupiter, the Sun's fastest-spinning planet, rotates once every 9 hours, 55 minutes.
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