In entomology, uncovered: applied to the hemelytra of heteropterous Hemiptera when, as in most species, they are not covered by the scutellum: opposed to obtected.

adjective. Referring to something that has been noticed.

verb. Simple past tense and past participle of detect.

adjective. perceived or discerned

adjective. perceived with the mind

"The methane we detected is of unknown age -- its origin could be ancient or perhaps recent, Michael Mumma of NASA and colleagues wrote."