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 View from Galileo s Telescope. On November 30, 1609 Galileo started observing and sketching the Moon. He was probably not the first person to look at the Moon through a telescope, but Galileo had made himself a telescope that was much better than the others, and he could see the Moon s surface in much more detail.