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The descovery of Neptune, Uranus, were seen by the telescopes. 2. stars and galaxys were seen by telescopes. Astriod belt and stars were all seen much clearer by the telescopes. These were all contributions done by the telescope.
Telescopes
history of telescopes dates back in the 16th century. Isaac Newton is credited with building the first "practical" reflector in 1668[2] with a design that incorporated a small flat diagonal mirror to reflect the light to an eyepiece mounted on the side of the telescope.
In this picture, it shows Galilio demenstrating the telescope to the priest and people.
In this picture, it shows a scientist standing next to our modern day telescope. compare this telescope to the ones used in the 16th and 17th century.
Johanmes Hevilios observing with one of his telescopes.
