First-known interstellar Solar System visitor 'Oumuamua a comet in disguise – research

Strange appearance and behavior perplexed astronomers, led some folks to believe it was alien spaceship

The cigar-shaped 'Oumuamua, the first interstellar object in recorded human history to whizz through the Solar System, is a comet after all, a pair of astronomers declared in research published in Nature on Wednesday.…