Our astronomers are actively tracking 3I/ATLAS, which is now the third confirmed interstellar comet to pass through our Solar System! While every planet, moon, asteroid, comet and lifeform that formed in our Solar System shares a common origin, a common heritage, interstellar visitors are true outsiders. They are remnants of other planetary systems, carrying with them clues about the formation of worlds far beyond our own. It may be thousands of years until humans visit a planet in another solar