SPACE TRAVEL
NOT A CONSTANT SPEED Lift off Need most speed Atmosphere Creates friction ;drag Gravity of objects Sling-shot
PROBLEMS Space radiation (sun, Jupiter) Long time in microgravity Human body needs gravity Lose bone density, muscle Micrometeorites Huge distances! Money
MOON TRAVEL Luna 1959 (unmanned)= 36 hour Apollo 1970’s = 3 days New Horizon 2006 = 8 hours Space Shuttle: 13 hours (last shuttle 2011)
REPLACEMENT FOR THE SHUTTLE Orion Used to return to the moon and Space station flights Obama cancelled program in 2011 budget Plans for deep space missions astronauts to visit an asteroid 2025 humans to Mars 2030
GOOGLE LUNAR X PRIZE Land on robot surface of moon and send back images and travel 500 meters Ends Dec Prize: $20 million
NUCLEAR PROPOLSION Fastest type of spacecraft so far 85 years to get to Proxima Centauri Uses nuclear fuel = BANNED!
SPACESHIP 1 FIRST NON-GOVERNMENT SPACECRAFT km- 5 minutes
VIRGIN GALACTIC Virgin Galactic - let the journey begin (page 4) Make your reservation now! ($200,000) seats are going fast!