Before 3I/ATLAS, We Had These Interstellar Visitors From Beyond The Solar System; Know Where Are They Now

Scientists say that we have at least one interstellar visitor a year, which is too faint to spot. With a bit of luck and advanced equipment, the second recorded interstellar interloper, 2I/Borisov, was spotted by Gennadiy Borisov on August 30, 2019.