06/26/2013 08:00 PM EDT
The Orbital Sciences L-1011
aircraft takes off from Vandenberg Air Force Base in California at 9:30
p.m. EDT on June 27, 2013, headed over the Pacific Ocean to release the
Pegasus XL rocket carrying NASA's Interface Region Imaging Spectrograph,
or IRIS, solar observatory.
IRIS will open a new window of discovery using spectrometry and imaging to trace the flow of energy and plasma through the chromospheres and transition region into the sun’s corona. The spacecraft will observe how solar material moves, gathers energy and heats up as it travels through a largely unexplored region of the solar atmosphere. This interface region, located between the sun's visible surface and its upper atmosphere, is where most of its ultraviolet emission is generated. These emissions impact the near-Earth space environment and Earth's climate.
Photo Credit: NASA/Daniel Casper
IRIS will open a new window of discovery using spectrometry and imaging to trace the flow of energy and plasma through the chromospheres and transition region into the sun’s corona. The spacecraft will observe how solar material moves, gathers energy and heats up as it travels through a largely unexplored region of the solar atmosphere. This interface region, located between the sun's visible surface and its upper atmosphere, is where most of its ultraviolet emission is generated. These emissions impact the near-Earth space environment and Earth's climate.
Photo Credit: NASA/Daniel Casper
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