NASA IRIS Mission Launched Successfully

The launch of NASA’s Interface Region Imaging Spectrograph (IRIS) mission launched successfully, from Vandenberg Air Force Base in California.

IRIS is a NASA Small Explorer Mission to observe how solar material moves, gathers energy and heats up as it travels through a little-understood region in the sun’s lower atmosphere. This interface region between the sun’s photosphere and corona powers its dynamic million-degree atmosphere and drives the solar wind.

The drop of the air-launched Pegasus from Orbital’s L-1011 carrier aircraft occured over the Pacific Ocean at an altitude of 39,000 feet, about 100 miles northwest of Vandenberg off the central coast of California, south of Big Sur.

Notes

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