Assertion list for term "vary in brightness".

Results from Ascent++: 6
variable star (subgroup of star) CapableOfvary in brightness 0.66
star CapableOfvary in brightness 0.54
quasar CapableOfvary in brightness 0.45
asteroid CapableOfvary in brightness 0.42
planet CapableOfvary in brightness 0.35
nebula CapableOfvary in brightness 0.35