Mario Livio

Mario Livio is an astrophysicist and author of the May 2020 book, _[Galileo: and the Science Deniers.](https://www.simonandschuster.com/books/Galileo/Mario-Livio/9781501194733)_ For 24 years he was an astrophysicist at the Space Telescope Science Institute, which operates the Hubble Space Telescope.

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Inventions & Science

When Galileo Stood Trial for Defending Science

The Italian astronomer argued that Earth and other planets revolve around the sun. Then he paid a price.