NASA on a mission to "touch the sun"

Artist's illustration of NASA's Parker Solar Probe spacecraft studying the sun, Photo Date: Undated / Photo: Johns Hopkins University Applied Physics Laboratory / (MGN)
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Traveling to the moon and other planets were major feats for NASA. Now the space agency has its sights set on the sun.

The Parker Solar Probe is expected to launch Saturday on it's historic mission. It will be the first spacecraft to fly though the outermost part of the sun's atmosphere. The space craft will blast off from Cape Canaveral Air Force Station in Florida