Chapter 22 Exploring Space Radiation From Space

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

arrangement of electromagnetic waves according to their wavelengths electromagnetic spectrum

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

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

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

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

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

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

any natural or artificial object that revolves around another object satellite

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

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

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

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

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

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

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

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