Home Today Years Ago June 27, 2013: NASA’s Explorer 94 Launched
June 27, 2013: NASA’s Explorer 94 Launched
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June 27, 2013: NASA’s Explorer 94 Launched

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Today in 2013, NASA launched its Explorer 94, the Interface Region Imaging Spectrograph (IRIS). The purpose of IRIS is to observe the sun, specifically its chromosphere. It was originally planned to only be a 2 year mission, but as of today is still ongoing.

 

Image Credit: NASA