
Nearly six years ago, a space object roughly the size of a football field baffled scientists as it zipped through our solar system. The irregular shape and motion of the object, dubbed
‘Oumuamua, led to one of the most controversial astronomical mysteries, with theories that ranged from asteroid to alien probe.
But a study published Wednesday in the journal Nature offers another answer: ‘Oumuamua is a typical comet that expelled gas in an odd way as it traveled through our solar system.
