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Running Time:
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.

Project: Transit of Mercury | Browse All

Date: November 14, 1999
Format: Expedition
Category: Science in Action
Subject(s): Astronomy/Space Science
Running Time:
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.

Project: Transit of Mercury | Browse All

Date: November 14, 1999
Format: Expedition
Category: Science in Action
Subject(s): Astronomy/Space Science
Running Time:
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.

Project: Solar Eclipse: Stories from the Path of Totality | Browse All

Date: August 11, 1999
Format: Expedition
Category: Science in Action
Subject(s): Astronomy/Space Science