Rare green comet last seen 50,000 years ago due to make closest pass by Earth

Comet C/2022 E3 (Dan Bartlett/Nasa)

A rare green comet, last seen around 50,000 years ago, is due to make its closest pass by Earth.

Called C/2022 E3 (ZTF), this celestial object hails from the Oort cloud at the outermost edge of the Solar System.