Here’s how to see a comet that won’t come back for another 80,000 years AL.comA rare comet last visible from Earth 80,000 years ago makes a return visit Colorado Public RadioComet visible in night sky this week Turn to 10Bright Comet Tsuchinshan-ATLAS Climbs into Evening View Sky & TelescopeA 80,000-year-old comet will make skygazing a must in October. Here’s how to see the comet Desert Sun