World A Bright Green ‘Christmas Comet’ Will Fly the Closest to Earth in Centuries December 15, 2018December 15, 2018CHRISTINA CARONComments Off on A Bright Green ‘Christmas Comet’ Will Fly the Closest to Earth in Centuries The comet, called 46P/Wirtanen, will streak near Earth on Sunday and be visible in some places with the naked eye.
