Source: NOVA: "Galileo's Battle for the Heavens" This resource was adapted from NOVA: "Galileo's Battle for the Heavens." As early as the 1300s, eyeglasses made from convex, or outward-curving, lenses ...

The Renaissance physicist, mathematician, philosopher and astronomer Galileo Galilei is perhaps best known for his work on gravity, relative motion and the discovery of numerous astronomical objects ...

Instruments of revolution can appear deceivingly simple. With a bit of wood, copper wire and paper, Galileo fashioned a telescope that opened the skies for discovery. The telescope had a magnifying ...

Scientist celebrated today for changing our view of the universe. Aug. 25, 2009 — -- Who invented the telescope? Not Galileo. Who first pointed it at the heavens? Again, it wasn't Galileo. So ...

At the opening of the new public observatory at the National Air and Space Museum last week, the 17th century astronomer, Galileo, made a surprise appearance. Carrying his telescope, he emerged from ...

PHILADELPHIAPHILADELPHIA — Though it looks like a cardboard tube that got left out in the rain, it’s a priceless instrument whose owner changed the world. The mottled brown cylinder on display at The ...

Despite the summer heat, the Senate of Venice assembled on this day in 1609 to view a remarkable scientific instrument. It was built by the well-known astronomer and philosopher from Pisa, Galileo ...

Galileo's observations of the night sky in the early 1600s confirmed a new model of the universe, in which the Earth orbited the sun—and not the other way around, as his contemporaries believed. But ...