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00:23:54
Watch as three giant helium balloons are launched above Antarctica to study climate history; listen as scientists talk about balloon research.

00:31:32
Learn about the various projects and teams of people working on the South Pole Telescope.

00:03:24
What is dark energy? Cosmologist Rocky Kolb explains how the South Pole Telescope will help us understand the properties and nature of this mysterious force.

00:38:30
The Cassini spacecraft continues to orbit Saturn, sending back astonishing images of the ringed planet and its moons. Join us as we look at the latest images and do some hands-on activities to help us understand.

00:41:16
The South Pole Telescope captured its first light on Feb. 16, 2007! Join Exploratorium host Mary Miller as she talks with scientists at the South Pole and finds out more about life at the Pole.

00:15:00
Mary Miller chats with scientists at the South Pole about the nearly-completed telescope. The satellite connection to the pole deteriorated quickly, and we hope to repeat this program in the near future. Stay tuned for updates!

00:37:45
What's Christmas like at the South Pole? Also learn about the Race Around the World and the installation of the telescope's new receiver.

00:28:51
Tom Crawford and Jeff McMahon show us a day in the life of a South Pole scientist, then talk about what the telescope will be searching for: dark matter, galaxy clusters, and evidence of the universe expanding.

00:28:45
South Pole scientists Tom Crawford and Jeff McMahon take us on a virtual tour of the South Pole Station, then discuss working in the polar environment.

00:45:13
A year and a half after entering Saturn's orbit, the Cassini spacecraft continued to gather exciting new information. Dr. Paul Doherty and Dr. Eric Weygren bring us up to date on the Cassini Mission and show stunning images of Saturn and its ever-growing assortment of moons.