Assertion: star | /r/HasProperty | young stars
Facets:
value: always
type: TEMPORAL
Source sentences:
text: The most luminous stars are always young stars, no more than a few million years for the most extreme.
text: all[citation needed] other such stars are young stellar objects called YSO dippers, which have different dimming patterns.
text: The most luminous stars are always young stars, no more than a few million years for the most extreme.