Mario Livio is an internationally known astrophysicist, formerly at the Hubble Space Telescope Science Institute (STScI) in Baltimore, Maryland, and a popular lecturer. He is the author of The Golden Ratio, a highly acclaimed book about mathematics and art for which he received the International Pythagoras Prize and the Peano Prize; The Equation That Couldn’t Be Solved; Is God a Mathematician?; The Accelerating Universe; Brilliant Blunders, and Galileo: And the Science Deniers. He lives in Baltimore, Maryland.
A century ago, we used general relativity to weigh the sun. A research team has finally done the same for a star outside our solar system.