In 2018, astronomers discovered a strange object about 30 million kilometres from Earth.
At first, they thought it was just a lone wandering asteroid, one of the rocks that exist between the planets in the solar system.
But then, when they studied it more closely, they soon realised that Oumaumau could not be a normal asteroid at all. All the asteroids in the solar system are roughly cubes or spheres, with the same width as length and height. And Oumaumau was completely different – shaped more like a spaceship.
So was Oumaumau an abandoned spaceship?
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