AstronomyCast 231: Galileo Galilei

Astronomy Cast Ep. 766: How Spacecraft End By Fraser Cain & Dr. Pamela Gay End-of-Life Planning for Your Spacecraft! Streamed live October 1, 2025. Your spacecraft has reached the end of its mission. You’ve done everything you can to keep it operational, but now it’s time to say ... Show More

Astronomy Cast Ep. 765: Rockets vs The Environment By Fraser Cain & Dr. Pamela Gay Streamed live on Sep 22, 2025. We don’t launch a lot of rockets every year, so their impact on the environment is minimal compared to other forms of transportation. But that number is steadily incr ... Show More

Astronomy Cast Ep. 764: Cleared For Launch! By Fraser Cain & Dr. Pamela Gay Streamed live September 17, 2025. This week, we look at the process behind rockets getting licensed to launch, and everyone around the pad getting notified to stay away as T-0 approaches. (Can you say "er ... Show More

Galileo famously insisted in the early 17th Century that the Earth goes round the Sun and not vice versa – an idea that got him into deep trouble with the Catholic Church. In 1633 Galileo was put on trial for heresy by the Inquisition, and was threatened with imprisonment, or wor ... Show More

Gracias al invento del telescopio, Galileo Galilei hizo en 1610 una serie de observaciones astronómicas que cambiaron la concepción del universo y pusieron en cuestión los dogmas de la Iglesia católica. 

The DJ and broadcaster Bobby Friction champions the Italian physicist and astronomer Galileo Galilei. He is the first Great Lives guest to have named a child after his nominated hero. Galileo was born on 25th February 1564, in Pisa. He was a best-selling author - the Stephen Hawk ... Show More

Galileo Galilei is known as the father of modern science and the man whose work proved that the Earth orbits the sun. His scientific discoveries were in opposition of what the Catholic Church taught. But did you know that while he was a math professor at the University of Pisa, G ... Show More

On entend souvent dire que Galilée, né à Pise en 1564, a découvert que la Terre tournait autour du Soleil. En fait, il fut un fervent défenseur de cette thèse, appelée "héliocentrisme", au point d'avoir subi les foudres de l'Église catholique, qui lui a intenté un célèbre procès. ... Show More