Part 4/12:
Professor Loe explains that for an object to escape the Sun’s gravitational pull, it must reach velocities of approximately 42 km/s from Earth's perspective. Since 'Oumuamua surpassed this speed, it was clear that the object came from interstellar space rather than being a resident of our solar system. This was a groundbreaking confirmation that interstellar visitors are not just theoretical but observable phenomena.