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Interstellar object 'Oumuamua probably moved strangely due to gas, study says
By Nell Greenfieldboyce
'Oumuamua isn't an alien spaceship — it's a rock that's farting hydrogen, new study suggests
By Stephanie Pappas
Oumuamua Was a Comet After All, a Study Suggests (Published 2023)
By Dennis Overbye