LOS ANGELES (Reuters) – A small asteroid or comet that has been spotted racing through our solar system may have come from elsewhere in the galaxy, U.S. space scientists say, possibly marking the first such interstellar visitor observed from Earth.
LOS ANGELES (Reuters) – A small asteroid or comet that has been spotted racing through our solar system may have come from elsewhere in the galaxy, U.S. space scientists say, possibly marking the first such interstellar visitor observed from Earth.