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Ptolemy
He was born in Egypt, which at that time was part of the Roman Emipre,in 90 AD (they do not know a day or month). He thought that the earth was the center of the Universe. He worked in Egypt. -
Feb 14, 1473
Copernicus
He was born inn Poland on th date above. He was the first scientist to say the Universe rotates around the sun, not the earth. He did his work in Poland and Italy. -
Dec 27, 1517
Jahannes Kepler
He has born in germany, on date above. He descovered the three major laws of Planetary motion.He alsomimproved the refracting telescope He did his work in Chez Republic. -
Dec 14, 1546
Tycho Brache
He was born in Dennmark (on the date obove). He thought that te Sun rotated around the Earth and the other planets rotated around the sun.He worked in Dennmark. -
Feb 15, 1564
Galileo
He was brorn in Itlay on the date above. He ,ade improvements on the telescope and discovered moons of Juipiter. He lived in Itlay. -
first reflecting telescope
It was built my Issac Newton, in England. It uses a concave mirror and a flat diagonal mirror. This is one of the first funcioning telescopes -
Spiral Nebuala was discovered
It was dicovered by Lord Rosse. It was also drawn and it was forst seen in Ireland. -
scientist learn how to put silver on glass
This dicovery allowed the glass to be more relfective. This lead to better teliscopes. The german Scientist figured it out. It does not say who does this first -
Hbble Telescope was Launched
The Hubble Telescope was built by NASA. The hubble was built and lanched from th United Sates. -
Firts Radio Teliscope
The firstradioo telescope was built innIllinios by Grote Reber. It detects radio waves from space