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Oumuamua - Mysterious Messenger From Another Star

May 4, 2026

Where does Oumuamua, the mysterious interstellar flying object discovered in 2017, come from? Astronomer Robert Weryk spotted it with the help of the Pan-STARRS telescope in Hawaii. But what is Oumuamua? A comet?

Space scene showing a dark, irregularly shaped, asteroid-like object traveling against a background of stars. On the left, a bright star or sun emits a reddish glow. Dust clouds and distant stars are scattered across the dark space, suggesting an interstellar environment.
Image: Terranoa

An artificial object?

Image: Terranoa

Many questions and myths surrounded this "thing from another world”. Since it was too fast to be attracted by the gravitational pull of the sun, it was clear that it came from another star system. But what exactly was Oumuamua, which means "a messenger from afar arriving first," in Hawaiian?

An asteroid? A comet? A fragment of an exoplanet, that is, a planet outside our solar system? Or even an active space probe, as Avi Loeb, director of the Harvard-Smithsonian Center for Astrophysics, has speculated?
 

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