what is an airplane made out of and how do they put it all together from the fuselage to the electronics in the plane, Please with all the boring details.
Hence, prior to the invention of the telescope, nothing was known about the planet besides its position on the sky. The Italian scientist Galileo Galilei was the first person known to use a telescope to make astronomical observations. His records indicate that he began observing Mars through a telescope in September 1610.
The birth of the reflecting telescope gives astronomers options. Get to the root of it. Newton was a busy man. He was the first to identify and begin to understand gravity. He discovered that white light is made up of colors, and he was among the first to formulate the mathematical discipline of calculus. And in 1668 in England, he created a small but powerful telescope that didnât suffer from chromatic aberration.