"Explanation: From somewhere else in the Milky Way galaxy, Comet 2I/Borisov was just visiting the Solar System. Discovered by amateur astronomer Gennady Borisov on August 30, 2019, the first known interstellar comet is seen in these two Hubble Space Telescope images from November and December 2019. "
Desticklered.
Grammar NAZI’s are everywhere, right beside the Spelling Gestapo.
Thank you sincerely.