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.
Making the world better, one answer at a time. The early astronomers were Nicolaus Copernicus, Tycho Brahe, Johannes Kepler, Galileo Galileo, and Sir Isaac Newton. Copernicus concluded that Earth is a planet.He proposed a model of the solar system with the sun at the center.Brahe's observations, especially of Mars, were far more precise than any made previously. Kepler discovered three laws of planetary motion.e proposed a model of the solar system with the sun at the center. Brahe's observations, especially of Mars, were far more precise than any made previously. Kepler discovered three laws of planetary motion.