Answer · 1I/'Oumuamua
'Oumuamua was an unusual member of a population dominated by comets like 2I and 3I.
'Oumuamua was an unusual member of a population dominated by comets like 2I and 3I.
Where it stands
Still possibleIts tests haven't settled it: two pieces of evidence for, one against. It needs two reviews to be accepted.
What it predicts
- Most new interstellar objects found by Rubin are visibly active comets.
What would rule it out
- Several inactive, accelerating interstellar objects found by Rubin.
Evidence 2 for · 1 against
2I/Borisov was an ordinary active comet.
FOREstablished
3I/ATLAS was an active comet rich in CO2.
FOREstablished
The questions it answers
Open3 answers, none ahead
Cite it
Mysteries Department. (2026). 'Oumuamua was an unusual member of a population dominated by comets like 2I and 3I. [Answer ANS0CSKCQAY6VKE]. https://mysteriesdept.com/r/ANS0CSKCQAY6VKE
@misc{mysteriesdept_ans0cskcqay6vke,
title = {'Oumuamua was an unusual member of a population dominated by comets like 2I and 3I.},
author = {{Mysteries Department}},
year = {2026},
note = {Answer, catalog key ANS0CSKCQAY6VKE},
url = {https://mysteriesdept.com/r/ANS0CSKCQAY6VKE}
}