STRANGE BLUE COMET

Beyond the orbit of Mars, blue Comet PanSTARRS (C/2016 R2) is behaving strangley. Active jets of gaseous material are spewing from the comet’s core, feeding a chaotic tail marked by rough swirls and an unusual rectangular “knee.” “The last notable comet with high CO was Comet Humason in 1962, so this is quite a rare sight,” notes veteran comet observer Michael Mattiazzo of Australia. “It will be very interesting to watch Comet PanSTARRS as it makes its closest approach to the sun (2.6 AU) in May 2018.” Stay tuned!








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