The Great ‘Oumuamua’ Interstellar Spacecraft Debate –“A Space Rock or a Fully Operational Probe Sent Intentionally By an Alien Civilization”



“It is impossible to guess the purpose behind Oumuamua without more data,” said Avi Loeb, chairman of Harvard’s astronomy department. “If Oumuamua is a lightsail,” he added, “one possibility is that it was floating in interstellar space when our solar system ran into it, “like a ship bumping into a buoy on the surface of the ocean.”