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1:14:47
Join us from the front porch of the Exploratorium as we check out today's partial solar eclipse. Learn safe viewing practices, then go outside and watch for yourself!

00:32:12
Exploratorium staff Ron Hipschman and Robyn Higdon sum up the last five days of spacewalks, and show a couple of good-bye conferences with the shuttle astronauts.

00:34:08
Learn about the successful replacement of the Power Control Unit (PCU) and listen as we talk with Mark Clampin, part of the team that developed the Advanced Camera for Surveys scheduled for installation tonight.

00:35:15
We learn about Hubble's new solar arrays, and Dr. Bruce Margon talks about the future of Hubble and about the Next Generation Telescope, which will eventually replace Hubble.

00:29:40
Fresh from the launch viewing area at Kennedy Space Center, Ron Hipschman shows images and recounts what it’s like to watch at shuttle launch from three miles away. We also preview the mission and the tasks the astronauts will be doing during their five planned space walks.

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!

0:59:07
On Thursday, June 21, 2001, a total solar eclipse sped across the Southern Hemisphere. The shadow of the moon first darkened the South Atlantic about 250 miles east of the Uruguay coast. It crossed the Atlantic Ocean, traversed southern Africa and the island of Madagascar, and then vanished into the darkness as night fell over the Indian Ocean. We sent our crew to the country of Zambia to bring images of the total solar eclipse as it happened.

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.