Assertion: brown dwarf | /r/HasProperty | cool
Facets:
value: unlike stars
type: OTHER
value: oxford)
type: OTHER
value: sometimes
type: TEMPORAL
Source sentences:
text: Unlike stars, older brown dwarfs are sometimes cool enough that, over very long periods of time, their atmospheres can gather observable quantities of methane which cannot form in hotter objects.
text: Brown dwarfs are cool and dim, and likely form the same way red dwarfs do, but brown dwarfs never reach the point of fusion because they're too small, and therefore, they're not considered stars.
text: Oxford), UKIRT Brown dwarfs are very dim and cool compared with stars.