Across
- 3. this distorts our view of space from the ground.
- 5. this optical scope orbits the Earth.
- 7. these missions used the Saturn V multistage rocket to get to the moon.
- 8. he invented the reflecting telescope.
- 10. NASA's "delivery truck", it launched from a pad and landed on a runway
- 11. this type of telescope uses two convex lenses.
- 12. where NASA wants to send people someday.
- 13. this country competed with the U.S. for rocket technology through the 1960s.
- 15. this x-ray scope orbits the Earth.
Down
- 1. these can explore space more safely and cheaply than manned spaceships.
- 2. these extremes are a major hazard while working outside the space station.
- 4. these orbit the planet, used for communication, GPS, Mapping, weather, etc.
- 6. orbiting "international" research facility.
- 9. this country competed with the U.S. for rocket technology in the 1940s.
- 14. these telescopes detect the longest wavelengths.