1. Space Exloration – Valuable or Not ? Atsushi Uchida and Haibin Ling MEI Dynamic Discussion

2. Solar System

3. Content Background/History/Achievements Positive points Disasters Negative points Conclusion

4. History – Early Space Explorations 1912 - Balloon flight (Europe) Discovered cosmic rays. 1946 - NRL V-2 rocket (USA) - First observation of the Sun's UV spectrum. 1949 - NRL V-2 rocket (USA) - First observation of solar x rays.

5. History – till 1969 Sputnik-1 - USSR - (1957) First artificial satellite. Explorer III - USA - (1958) Discovered Earth's radiation belt. USSR Series: Luna, Mars, Verena, Zond, USA Series: Pioneer, Ranger, Mariner, Lunar Orbiter, Apollo, Exploer

6. History – Early Space Explorations Mariner 4 Ranger 7 Mariner 5(USA), Oct 19, 1967. (One day after Venera 4(USSR))

7. Apollo 11, 1969 Launched: July 16, 1969 Landed on the Moon: July 20, 1969 Returned to Earth: July 24, 1969 Neil A. Armstrong, Edwin E. Aldrin, Jr., Michael Collins

8. Apollo 11 “ That's one small step for a man, one giant leap for mankind." -- Neil A. Armstrong

9. History – after 1969 USSR Series: Venera, Vega, Phobos USA Series: Skylab, Viking, Voyager, Pioneer Venus, International Sun-Earth Exploer, Solar Maximum Mission, Magellan, NEAR, Mars, … Japan: Sakigake, Suisei, Yohokoh, … Europe: Giotto, … Venara 15 Pluto-Kuiper Express

10. Space Exploration Should Continue– Science & Tech Development Space exploration plays an important role to stimulate our technology progress We need more info about the sapce. Resources Creatures on other planet Help to learn about earth and weather

11. Space Exploration Should Continue -- Safety Issues Automated Spacecraft Only two of more than one hundred missions failed. We should gain experiences from the failure to improve our future missions Mariner 2

12. Space Exploration Should Continue -- Economic Issues Provide a lot of job opportunities Stimulate economics New industries Medicine research International cooperate International Space Station

13. Space Exploration Should Continue President George Bush: “ Mankind is led into the darkness beyond our world by the inspiration of discovery and the longing to understand. Our journey into space will go on."