Three Theories On The Origin Of Interstellar Asteroid Oumuamua
Earlier this year, astronomers at the Pan-STARRS observatory in Hawaii detected a planetary object that had come from outside the solar system for the first time. The October 19 discovery came after the object had already made its closest approach to Earth five days before. Astronomers around the world turned our most advanced telescopes toward the object, only approximately 400 meters long and perhaps 40 meters wide, and confirmed that it is without a doubt on a trajectory that will take it back out into interstellar space....