Stargazer Aircraft Carrying IRIS Takes Off
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
Guillermo Gonzalo Sánchez Achutegui
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