Telescope Timeline 5 of 9 - Timeline Help

Telescope timeline 5 of 9 from 1673 to 1787 at Timeline Help.

- 1672 - 1673 - 1675 - 1684 - 1690 - 1667 - 1721 - 1722 - 1732 - 1733 - 1747 - 1758 - 1763 - 1781 - 1783 - 1787

Isaac Newton presents an Newtonian to the Royal Society in London. English polymath Mount Robert Hooke constructs a clock-driven equatorial mounted Gregorian telescope. English King Charles II initiates the foundation of the Royal Greenwich Observatory. Giovanni Cassini discovers the wide region between Saturn's A Ring and B Ring and names it the Cassini Division. Giovanni Cassini discovers Tethys and Dione, Saturn's moons. Christian Huygens shows a new tubeless telescope in his Astroscopia Compendiaria. Giovanni Cassini is the first one who examines the differential rotation within the atmosphere of Jupiter. French astronomer Adrien Auzout construct large telescopic instruments in order to determine positions on Earth. English inventor John Hadley builds an improved and working Gregorian reflector telescope. English astronomer James Bradley measures the diameter of the planet Venus with a telescope over 212 feet in length. Scottish optician James Short constructs the first high-quality Gregorian reflector. British lawyer Chester Moore Hall invents the double achromatic lens with a reduced chromatic aberration. Swiss physicist Leonhard Paul Euler writes the Berlin Academy of Sciences that he has invented an achromatic object-glass. English optician John Dollond patents the achromatic lens for commercial purposes. English optician Peter Dollond, son of John Dollond, invents the triple achromatic lens. German-British astronomer William Herschel discovers the planet Uranus. English astronomic instrument maker Jesse Ramsden invents the achromatic compound eyepiece. William Herschel discovers Oberon, Titania, Enceladus and Mimas, moons of Uranus.

Telescope Timeline 5  1  2  3  4  6  7  8  9

Bibliography of the Telescope Timeline 5

Berry, R (2001). Build Your Own Telescope.
Sipiera, P (1999). Hubble Space Telescope.
Weasner, M (2002). 100 Objects You Can Really See With The Mighty ETX.
Marsden, R (2002). Telescope Student's Book.
Marsden, R (2002). Telescope Teacher's Resource.
Swanson, M W (2004). NexStar User's Guide.



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