1. Chapter 22 Exploring Space
Radiation From Space

2. Words to Know – Section 1 Radiation From Space
electromagnetic spectrum
refracting telescope
reflecting telescope
observatory
radio telescope

3. arrangement of electromagnetic waves according to their wavelengths
electromagnetic spectrum

4. optical telescope that uses a double convex lens to bend light and form an image at the focal point
refracting telescope

5. optical telescope that uses a concave mirror to focus light and form an image at the focal point
reflecting telescope

6. building that can house an optical telescope; often has a dome-shaped roof that can be opened for viewing
observatory

7. collects and records radio waves traveling through space; can be used day or night under most weather conditions
radio telescope

8. Words to Know – Section 2 Early Space Missions
rocket
satellite
orbit
space probe
Project Mercury
Project Gemini
Project Apollo

9. special engine that can work in space and burns liquid or solid fuel
rocket

10. any natural or artificial object that revolves around another object
satellite

11. curved path followed by a satellite as it revolves around an object
orbit

12. instrument that follows far into the solar system and gathers data that it sends them back to Earth
space probe

13. first step in the U.S. program to reach the Moon that orbited a piloted spacecraft around Earth and brought it back safely
Project Mercury

14. second stage in the U. S. program to reach the Moon in which an astronaut team connected with another spacecraft in orbit
Project Gemini

15. first stage in the U.S. program to reach the Moon in which Neil Armstrong was the first human to step onto the Moon’s surface
Project Apollo

16. Words to Know – Section 3 Current and Future Space Missions
space shuttle
space station

17. reusable spacecraft that can carry cargo, astronauts, and satellites to and from space
space shuttle

18. large facility with living quarters, work and exercise areas, equipment and support systems for humans to live and work in space and conduct research
space station