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.
1 Neptune is the 8th planet from the Sun. 2  Uranus, the 7th planet, was first discovered by means of a telescope in 1781. 3  Two astronomers (scientists who study the stars and planets), J.C.Adams in England and Urbain Le Verrier in France, had been puzzled by the shape of Uranusâ orbit.