Comet A3, or Comet Tsuchinshan-ATLAS, is visible in the Northern Hemisphere this October. Comet Tsuchinshan-ATLAS, or Comet A3, is a dusty ball of ice from the Oort Cloud that takes about 80,000 years to orbit the sun. Sergei Grits/AP PhotoAstronomers are divided about whether Comet A3 will shine as bright as Comet NEOWISE. When and where to see Comet A3Weather permitting, everyone in the Northern Hemisphere should be able to see Comet A3 in October. After this, Comet A3 won't return for tens of thousands of years.

---

Persons: —, Comet, Dan Bartlett, Teddy Kareta, Kareta, Sergei Grits, NEOWISE, Robert Massey, — Bartlett, Comet Holmes, Preston Dyches, that's, you've, Massey Organizations: Service, Lowell Observatory, Night Magazine, Royal Astronomical Society, Sierra, Massey, NASA Locations: Northern, Belarus, Mono Lake , California, that's