'Oumuamua still puzzling scientists 5 years after discovery
Five years after spotting 'Oumuamua, the first known object from beyond our solar system passing through, scientists are still figuring out what the strange object says about planetary systems.
TroibNews 
Five years after spotting 'Oumuamua, the first known object from beyond our solar system passing through, scientists are still figuring out what the strange object says about planetary systems.
