Don't miss your last chance to get a good look at Comet A3 before it's gone for another 80,000 years
Comet A3, or Comet Tsuchinshan-ATLAS, is still visible in the Northern Hemisphere this weekend. The comet takes 80,000 years to orbit the sun, so Neanderthals were among the last people to see it. This could be your last chance to spot the bright comet. …