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Friday, June 28, 2013
L-1011 takes off from Vandenberg carrying Pegasus XL rocket
Orbital Sciences L-1011 carrier aircraft takes off from Vandenberg Air Force Base, Calif., on a mission to launch NASA's IRIS spacecraft
into low-Earth orbit. IRIS, short for Interface Region Imaging
Spectrograph, was launched on Thursday aboard an Orbital
Sciences Pegasus XL rocket released from the L-1011.
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.