Assertion: methane | /r/HasProperty | detected
Facets:
value: by using a spectrometer
type: MANNER
Source sentences:
text: If methane is detected (by using a spectrometer for example) this may indicate that life is, or recently was, present.
text: For methane to be detected today, it need not be produced today at all.
text: Methane has been detected or is believed to exist in several locations of the solar system.