2. 1473-1543 Said to be founder of modern astronomy. First astronomer to formulate comprehensive heliocentric cosmology, which displaced the Earth from the center of the Universe. Published De revolutionbus orbium coelestium ( On the Revolutions of the Celestial Spheres)

3. Brahe 1546-1601 Derived the laws of planetary motion. Observed SN 1572, unexpectedly appear in the constellation Cassiopeia, which turned out to be a supernova. Founded research center in Uraniburg.

5. Kepler *1571-1630 *Made the eponymous laws of planetary motion. *Provided foundations for Issac Newtons theory of universal gravitation. *Believed that music was astronomical and astrologically related.

8. MERCURY 1958-1963 1 st manned space flight project Objective: Manned spacecraft in orbital flight around earth Analyze mans performance capabilities in space 6 manned flights were accomplished

10. Apollo Program Program designed to land people on the Moon. Apollo 8 and 10 accomplished a lunar orbit. Apollo 11 was the first spacecraft to land on the Moon. Returned samples of Moon soil and rocks back to the Earth. Furthered knowledge of the Moon with tests conducted.

11. SHUTTLE MISSIONS 1977 - 2010 1977: Enterprise - 1 st free flight 1981: Columbia - 1 st reusable spacecraft flight 1983: Columbia – 1 st Spacelab mission 1989: Atlantis – Magellan Venus probe launch 1990: Discovery – Hubble Space Telescope launch The main purpose of the Shuttle Missions is to service the International Space Station, Hubble Telescope, launch and retrieve space probes and satellites.

12. Launched in 1990 Used to continue Edwin Hubbles discovery of other galaxies Discovered that the universe is expanding Discovered that the universe expansion is accelerating

13. Mars Rover 2003 – ongoing Search for and characterize a variety of rocks and soils that hold clues to past water activity on planet Mars Determine the distribution and composition of minerals, rocks, and soils surrounding the landing sites Characterize the mineralogy and textures of rocks and soils and determine the processes that created them Assess whether those environments were and are conducive to life