Smithsonian Voices

From the Smithsonian Museums

The Weird, Wild and Wonderful Universe, According to the Internet's Favorite Astronomer

Air & Space Quarterly talks to The Bad Astronomer Phil Plait

Two prominent lobate thrust fault scarps on Mercury, Discovery Rupes and Beagles Rupes, imaged by Mercury Dual Imaging System (MDIS) on the MESSENGER spacecraft. Discovery Rupes (left), named for the ship HMS Discovery, shown here in a MDIS high-incidence angle image mosaic, was first imaged by Mariner 10 in the mid-1970’s. Beagle Rupes (right), a bow-shaped fault scarp, was initial imaged during MESSENGER’s first flyby.

Mercury, The Not So Shrunken Planet

The waxing gibbous Moon as we viewed it on December 3, 2011.

The Moon: Before We Knew

The Hope spacecraft of the United Arab Emirates' Emirates Mars Mission during testing.

Launching Hope to Mars