Mysterious objects from other stars are passing through our solar system. Scientists are planning to study them

In late 2017, a mysterious object tore through our solar system at breakneck speed. Astronomers scrambled to observe the fast-moving body using the world's most powerful telescopes. It was found to be one quarter mile (400m) long and very elongated--perhaps 10 times as long as it was wide. Researchers named it 'Oumuamua, Hawaiian for "scout."