Goodnight Moon: Hubble’s Universe Unfiltered

Occultation occurs when one celestial body — for instance, a moon or a planet — aligns with another. Striking images of occultation give us an unusual glimpse of the traffic in our cosmic backyard.

“Hubble’s Universe” is a recurring broadcast from HubbleSite, online home of the Hubble Space Telescope. Astrophysicist Frank Summers takes viewers on an in-depth tour of the latest Hubble discoveries. Find more episodes at

Hubble Captures *******’s Largest Moon Going to the “Dark Side”

Hubble Spots Rare Triple Eclipse on *******

Rare Hubble Portrait of Io and *******