outdoors
Sky Matters: rogue star wandering the galaxy since before the earth or sun was born gets a temporary comet tail
For most of its journey 3I/ATLASÂ has been frozen solid, but the warming rays of our Sun are enough to unfreeze some of its gases such as carbon dioxide, generating a faint cometary tail. For a period of a few weeks 3I/ATLAS comes alive, only to pass out of the solar system and spend perhaps the next billion years or more back in its frozen state
