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Comet C/2017 K2 PANSTARRS was discovered in May 2017 by the Panoramic Survey Telescope and Rapid Response System (Pan-STARRS) in Hawaii, a survey project of NASA's Near-Earth Object Observations Program. Astronomers used Hubble's Wide Field Camera 3 at the end of June to take a closer look at comet K2. Credits NASA Goddard Space Flight Center NASA, ESA, and D. Jewitt (UCLA) A Comet Active Beyond the Crystallization Zone David Jewitt, Man-To Hui, Max Mutchler, Harold Weaver, Jing Li, Jessica Agarwal The As
