Galileo's Many Inventions Helped Redefine Our Place In The Universe

Galileo is considered one of the greatest astronomers of all time. His discovery of Jupiter’s major moons (Io, Europa, Ganymede and Callisto) revolutionized astronomy and helped speed the acceptance of the Copernican Model of the universe. However, Galileo is also known for the numerous scientific inventions he made… »6/30/15 2:20pm6/30/15 2:20pm


NASA’s 'Remastered' View of Europa Is The Best Yet

Europa, Jupiter's sixth-closest moon, has long been a source of fascination and wonder for astronomers. Not only is it unique amongst its Jovian peers for having a smooth, ice-covered surface, but it is believed that warm, ocean waters exist beneath that crust – which also makes it a strong candidate for … »11/23/14 10:30am11/23/14 10:30am

Galileo's Ship was one of the oldest relativity thought experiments

We think it's obvious that the Earth goes around the sun, today, but back before Copernicus, detractors had the most obvious argument possible against heliocentrism. To combat this, in his argument in favor of a sun-centered universe, Galileo came up with a thought experiment about relativity now known as Galileo's… »5/03/13 7:30pm5/03/13 7:30pm

Did Galileo get in trouble for being right, or for being a jerk about it?

Galileo was facing some stiff odds when he published his Dialogue Concerning the Two Chief Systems of the World. He'd already been officially warned against heliocentrism, and he had enemies. But it's possible, just possible, that he would have squeaked by if he hadn't been a jerk to the Pope. »9/15/11 11:30am9/15/11 11:30am