A cigar-shaped object seen floating through space could be an alien probe, Harvard researchers suggest.
In a study published last week by the Harvard Smithsonian Center for Astrophysics, researchers say the object, dubbed āOumuamua,ā is the first object of āinterstellar originā observed in our solar system.
āOumuamua may be a fully operational probe sent intentionally to Earthās vicinity by an alien civilization,ā researchers said.
NASA believes Oumuamua, which was discovered last fall by the University of Hawaiiās Pan-STARRS1 telescope, is about 400 metres long, and made up āof rock and possibly metals, has no water or ice, and that its surface was reddened due to the effects of irradiation from cosmic rays over hundreds of millions of years.ā
It is forecast to travel beyond Saturnās orbit, as it shoots through space at a speed of 38.3 kilometers per second.
The Harvard studyās authors acknowledged that an alien space probe is a āmore exotic scenario,ā and said Oumuamua could be either naturally occurring or accidental space debris, albeit still from a mystery source.
However, its mass-to-area ratio makes it unlikely that itās merely an oddly shaped asteroid or comet.
Either way, researcher said it was too late to photograph Oumuamua with existing telescopes or to chase it with chemical rockets.
Instead, researchers, and the rest of us, will have to wait for a new Oumuamua to appear before we can discover what it really is.
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