Thursday, April 1, 2010

Goodnight Moon (Hubble Universe)

Here on Earth, the occasional alignments of the Sun and Moon with our planet are greeted with much fanfare. Solar and lunar eclipses are often spectacular sights. However, our solar system undergoes many other more subtle alignments that come under the general name of occultations.

From Earth's ever-changing viewpoint, planets can be occulted by our Moon and other moons can be occulted by their planets. Consider the chances for such occultations on Jupiter, which has four of the seven large moons in the solar system.

In this episode, we examine Hubble's observations of these otherworldly and somewhat poetic events.

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