Rippling Waves of Plasma May Cause Massive Stars to 'Twinkle'

‘Twinkle, Twinkle, Little Star’ Suddenly Has A New Meaning, Say Scientists

Astronomers recently studied 5,000 star-eating behemoths to find out why black holes twinkle.

Astronomers Studied More Than 5,000 Black Holes to Figure Out Why They Twinkle