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0:38:23
Join the Origins team as they travel to Antarctica. We sent Mary, Noel, Paul, and Julie to explore scientific wonders from McMurdo to the Pole. Learn all about the extreme science being conducted at the South Pole in a daily dispatch from Terra Australis Incognita!

0:22:47
Dr. Nils Halvorson is in the Live@ studio and sheds light on the DASI telescope at the South Pole.

0:54:09
How much time does an astronomer need to get that great picture? We'll talk with scientists about how they determine their experiments, and learn what it takes to make their case for a few minutes of the telescope's time.

0:16:04
Nine Aim High students explore shadow and light, and build their own energy machines. In this webcast, the students delve into energy transference and alternative energy sources like solar cells and wind power.

0:01:01
On November 15th, 1999, for the first time in 25 years, the planet Mercury passed between us (in the western hemisphere) and the sun--an event known as a "transit." Here is one of five short streaming videos detailing the event.

0:02:02
On November 15th, 1999, for the first time in 25 years, the planet Mercury passed between us (in the western hemisphere) and the sun--an event known as a "transit." Here is one of five short streaming videos detailing the event.

0:01:01
On November 15th, 1999, for the first time in 25 years, the planet Mercury passed between us (in the western hemisphere) and the sun--an event known as a "transit." Here is one of five short streaming videos detailing the event.

0:02:02
On November 15th, 1999, for the first time in 25 years, the planet Mercury passed between us (in the western hemisphere) and the sun--an event known as a "transit." Here is one of five short streaming videos detailing the event.

0:02:02
On November 15th, 1999, for the first time in 25 years, the planet Mercury passed between us (in the western hemisphere) and the sun--an event known as a "transit." Here is one of five short streaming videos detailing the event.

2:00:05
On August 11, 1999, 3:00 a.m. Pacific Standard Time, the Exploratorium presented a live Webcast of a total solar eclipse that passed across Europe and Asia. The program included direct satellite communication with our expedition team, reporting from a crowded square in Amasya, Turkey, a town along the path of totality.