Oumuamua

Are intelligent extraterrestrials trying to communicate with or study us? Some scientists think that’s a possibility—and that it’s happening right now. Researchers with the Breakthrough Listen initiative began pointing a powerful radio telescope toward a mysterious object visiting the solar system, hopeful they could detect signs that the interstellar interloper is actually of alien origin.


The object in question is ‘Oumuamua, an asteroid from another star system currently zipping past Jupiter at about 196,000 miles per hour, too fast to be trapped by the sun’s gravitational pull. First discovered in mid-October by astronomers at the Pan-STARRS project at the University of Hawaii, the 800-meter-long, 80-meter-wide, cigar-shaped rock is, technically speaking, weird as hell—and that’s precisely why some scientists think it’s not a natural object.

If you’ve spent time learning about UFOs, then you might already know that most experts who believe interstellar travel is possible posit that such a ship would probably be shaped like a cigar or needle, because it would be lean and aerodynamic enough to minimize friction and slim the chances of colliding with another object or harmful gas and dust.

Especially given how solid it looks and how fast it’s going, ‘Oumuamua, which means scout or messenger in Hawaiian, is really unlike anything else. With the asteroid making a fast exit from our solar system, scientists are eager to figure out whether the bugger might actually be an alien spacecraft—maybe a vessel for living beings, maybe a robotic probe, maybe something else entirely—however unlikely that might be.

oumuamua
Breakthrough Initiatives, launched by Russian billionaire Yuri Milner to study the galaxy for signs of extraterrestrials, is most famous for its Stephen Hawking–backed Starshot project to send cheap spacecraft to Alpha Centauri at one-fifth the speed of light to find signs of habitability or alien life. Its more conventional SETI sister project, Listen, uses radio telescopes to scan space and listen for complex radio signals that might be signs of an alien civilization.

Source: Slate

 


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