An interstellar object that is currently on its long journey back out of our Solar System has a completely natural explanation, in spite of its odd quirks.
is very difficult to detect in space, since it neither emits nor reflects light; if 'Oumuamua was outgassing molecular hydrogen, we wouldn't be able to see it the way we usually see tracers of cometary activity.that 'Oumuamua is a molecular hydrogen iceberg, as the researchers proposed in 2020, so Bergner and Seligman went back to modeling to determine how the object might contain molecular hydrogen.
They found that the explanation is plausible through the the irradiation of a body rich in water ice.processes would split the water molecules to produce molecular hydrogen.,"'Oumuamua began as an icy planetesimal that was irradiated at low temperatures by cosmic rays during its interstellar journey, and experienced warming during its passage through the Solar System."
An existing body of experimental evidence shows that the processing of water ice can consistently and efficiently separate out Hwill remain trapped in the water matrix until heated to a range of temperatures; as the water is heated andThe sublimation of water ice itself, the researchers note, would only produce up to 50 percent of the observed acceleration. Molecular hydrogen, however, explains it quite neatly.
discovered in the future – that show non-gravitational acceleration without detectable tracers of cometary activity. "Future detections of small bodies with non-gravitational acceleration and faint coma could provide insights into the origins of 'Oumuamua,"
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