The release of hydrogen from within 'Oumuamua may explain some of the interstellar object's strange behavior.
The bizarre movements of the interstellar object 'Oumuamua may have a reasonable explanation that has nothing to do with intelligent aliens, new research finds.
'Oumuamua was first observed in October 2017 and remained within telescope sight for about four months before zipping out of view. In that short period, it caused quite a kerfuffle, thanks to its bizarre properties. The cigar-shaped object was around 1,300 feet long and perhaps 10 times skinnier than that, according to NASA . At first, researchers thought it might be a comet, but it did not form a tail or give off a cloud of dust and gas as it approached the sun.
However, there were some hints that a light molecule, like hydrogen, might be able to drive the trajectory of an object like 'Oumuamua. Bergner and her co-author Darryl Seligman , a postdoctoral researcher at Cornell University, modeled the possibility that hydrogen trapped within 'Oumuamua could explain its acceleration.
—Scientists want to build an 'interstellar interceptor' to play hide-and-seek with the next 'Oumuamua
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