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.
Two other planets, Uranus and Neptune, were discovered after the telescope was invented in the early 1600s. Astronomer William Herschel, who is credited with discovering Uranus in 1781, wanted to call it âGeorgium Sidus,â (Georgeâs Star) for the British ruler at the time, King George III.