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00:24:36
Join Exploratorium staff Paul Doherty and Robyn Higdon as they discuss the Transit of Mercury.

05:12:09
On November 8, 2006, Mercury slowly slid across the face of the sun during a relatively rare event known as a transit. The Exploratorium's Live@ crew was at the Kitt Peak National Observatory in Arizona to cover the event. This webcast includes a brief history of Kitt Peak and its 21 telescopes.

00:59:15
Astronomers in many parts of the world watched as Venus moved across the disk of the Sun, one of the rarest planetary alignments. The Exploratorium webcast this historic event from Greece.

00:44:08
Astronomers in many parts of the world watched as Venus moved across the disk of the Sun, one of the rarest planetary alignments. The Exploratorium webcast this historic event from Greece.

00:43:41
Join us as we talk with Jill Tarter, Director of the Center for SETI Research and the inspiration behind Jody Foster's character in the movie Contact. Find out about the tools and technologies being developed for a multigenerational effort to search for life on other planets.