Assertion: dwarf's luminosity | /r/HasProperty | low
Facets:
value: because of its small size
type: CAUSE
Source sentences:
text: Red dwarfs are by far the most common type of star in the Milky Way, at least in the neighborhood of the Sun, but because of their low luminosity, individual red dwarfs cannot be easily observed.
text: White dwarfs have low luminosity and therefore occupy a strip at the bottom of the Hertzsprung–Russell diagram, a graph of stellar luminosity versus color or temperature.
text: It is much hotter (25,000 K), but because of its small size its luminosity is low.