Rare green comet last seen 50,000 years ago due to make closest pass by Earth
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. It will come closest to Earth on February 1, within about 45 million kilometres. The icy … Read more