Interstellar object Oumuamua may be 'alien probe'- Harvard scientists

Wikipedia

Wikipedia

Was last year's sighting of 'Oumuamua - a mysterious, 400-foot-long, "cigar shaped" object that hurtled past Earth - evidence of an advanced alien civilization from outside the Milky Way Galaxy?

"Most intriguingly it's moving on a trajectory that implies an extra push in addition to the gravitational force from the sun".

'Oumuamua is the first object ever seen in our solar system that is known to have originated elsewhere. It presents a couple compelling arguments: For one, observations showed 'Oumuamua could not be a comet, as it lacked a cloud of gas.

"This would account for the various anomalies of 'Oumuamua, such as the unusual geometry inferred from its light-curve, its low thermal emission, suggesting high reflectivity, and its deviation from a Keplerian orbit without any sign of a cometary tail or spin-up torques".

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"The excess acceleration of Oumuamua was detected at multiple times, ruling out an impulsive kick due to a break up of the object", he said.

Oumuamua, which means "messenger from afar" in Hawaiian, was first discovered in 2017 by researchers with the Panoramic Survey Telescope Rapid Response Systems (Pan-STARRS), located on Maui.

He also lamented that mankind now lacks the technology necessary to chase Oumuamua for a closer study, as the rock's point of origin makes it very fascinating for researchers. In order for it to be effective, Oumuamua needs to be less than a millimetre in thickness, like a sail. "Nevertheless, if other experts agree with their claims, it would suggest (not prove) that other civilizations do exist that are at least somewhat more advanced than we are since the object would have to have been launched some time ago".

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