Scientists suggest that 3I/ATLAS, one of the rarest comets ever seen, is likely not alone and that more interstellar objects may soon be discovered.
Astronomers have detected 3I/ATLAS as the third confirmed interstellar object in our solar system. With advanced detection methods, such visits are expected to be more common than previously known.
As 3I/ATLAS journeys past Mars and makes its closest approach to Earth, it will be obscured from view as it travels behind the Sun.
More mysterious interstellar visitors to our solar system could soon be on the way.
Author's summary: Comet 3I/ATLAS approaches Earth, likely with others to follow.