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Jupiter Occultation

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((Click image to view movie)

As the Moon wheels around in its orbit around Earth, it constantly passes in front of background objects—usually stars, but sometimes a planet.  Most of the stars it blocks, or “occults,” are too faint to be seen by the naked eye, but sometimes a brighter star is occulted.

On August 15, 2001, at 1:20 PM PDT, Jupiter and our Moon engaged in a vanishing act as the Moon passed in front of our solar system's largest planet.  The event, called an "occultation," was observed and captured on video through Chabot Space & Science Center's antique 8" refracting telescope, "Leah."

70 minutes later, Jupiter reappeared from behind the limb of the Moon, officially ending the occultation event at 2:30 PM, PDT.

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