SPACE EXPLORATIONS TIMELINE 3,000BCE-1850AD
3000BCE-
Babylonian astrologer begin making metholodical observations on the skies.
1300BCE-
Chinese use firework rockets and they become wide spread.
1000BCE-
Babylonians record sun/moon/planetrymovements egyptiaians use the sun clock.
585BC-
Thales of Miletus, a Greek astronomer of the Lonian school, predicts the angular diameter of the sun. He also predicts a solar eclipse, frightening Media and Lydia into negotiating for peace with the Greeks.
310-230BC-
Aristarchus of Samus proposes that the earth spins around the sun.
276-196BC-
Eratosthenes, a Greek astronomer, measures the circumferance of the Earth. He also finds the difference between planets and stars and prepares a star catalog. 
150AD-
Lucian of Somosata's True History was published the first science fiction about Moon voyages. He also later does Icaromenippus, another moon-voyage book.
800AD-
Baghdad becomes the astronomical study centre of the world.
1271AD-
Robert Anglicus attempts to document the surface and weather conditions on planets.
1420AD-
Fotana designs various rockets.
1546-1601AD-
Tycho Brahe measures positions of stars and planets. Supports heliocentric theory.
1564-1642AD-
Galileo Galilie first uses the telescope to observe the skies. Discovers sunspots, four major sattalites on Jupiter(1610).
1591AD-
Von Schmidlap writes a book about non-military rockets. Proposes rockets stabilized by sticks and rockets mounted on rockets for extra power.
1608AD-
Telescopes were invented.
1672AD-
Cassini, an Italian astronomer predicts that the distance between the sun and the earth is 86,000,000 miles.
1703AD-
David Russens Iter Lunare: or Voyage to the Moon uses the idea of catapulting to the moon.
1775AD-
Louise Foili writes Le Philosophere Sans Pretention, about a mercurian who observes earthlings.
1781AD-
March 13: William Herschel made his own telescope and discovered Uranus. He also put forth theories of a habitable sun and life on other planets.
1783AD-
First manned balloons made.
1807AD-
Heavy rocket attack by the British on Copenhagen.
1835AD-
August 25: Richard Adams Locke demonstrates the peoples susepttibility through his "Moon Hoax".
1846AD-
Urban Levvirrier dicovers Neptune.