Found 60 - 64 results of 64 programs matching keyword " solar radiation"
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. 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. 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. 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.