: It details how we "see" something invisible. Because black holes are black against the blackness of space, they are impossible to see directly. Instead, scientists look for indirect evidence:
: Ripples in spacetime from massive collisions, which the episode presents as some of the strongest evidence for black holes. "How the Universe Works" Are black holes real(2...
: Detected when stars are torn apart by intense gravity. : It details how we "see" something invisible
"How the Universe Works" Black Holes (TV Episode 2010) - IMDb : Detected when stars are torn apart by intense gravity
In the episode titled " Are Black Holes Real? " (Season 6, Episode 1), the series tackles one of the most provocative questions in modern astrophysics. While the scientific consensus heavily supports their existence, the episode explores why some eminent scientists still question it and looks at alternative theoretical constructs like gravastars and Planck stars . Review Highlights