celestial-body
Borisov
The interstellar comet 2I/Borisov, a clearly active visitor. Not ʻOumuamua, and not a common solar-system comet.
Also known as 2I/Borisov
celestial-body
The interstellar comet 2I/Borisov, a clearly active visitor. Not ʻOumuamua, and not a common solar-system comet.
Also known as 2I/Borisov