News & Opinion | July 7, 2018 9:00 am

Black Holes Explained, But at Five Different Levels of Difficulty

Varoujan Gorjian, a research astronomer at NASA’s Jet Propulsion Laboratory, is ready to teach you.

black holes
(Wired)

he Do you know what a black hole is? The basic answer is that it is a lot of mass squished into not a lot volume, which makes it so dense that no light can escape. Well, Varoujan Gorjian, a research astronomer at NASA’s Jet Propulsion Laboratory who specializes in the structure of the universe, is here to teach you more than you ever thought you could learn about black holes. In the video below, Gorjian discusses black holes at five scales of difficulty, from grade school up to grad school all the way through the black-hole-expert level.