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. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Scott Pruitt, Trump’s E.P.A. Pick, Backed Industry Donors Over RegulatorsFreak rain brings prehistoric ‘alien’ shrimp BACK TO LIFESuperbugs ‘to kill 10 MILLION’ as US woman dies from antibiotic-resistant infectionSpaceX LIVE: Watch rocket launch coverage live from FloridaFish in SPACE reveal how zero-gravity weakens astronauts' bonesSpaceX Launches Rocket, Its First Since Explosion on Launchpad