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Exploring Space: Technology and Benefits for Society

This chapter explores how people use technology to study space, from visible objects to telescopes and spacecraft. Discover how space exploration benefits society by providing new viewpoints and practical applications on Earth.

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Exploring Space: Technology and Benefits for Society

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  1. theBIGidea CHAPTER OUTLINE CHAPTER RESOURCES CHAPTER NEW CHAPTER 19 Exploring Space People develop and use technology to explore and study space. 19.1 Some space objects are visible to the human eye. 19.2 Telescopes allow us to study space from Earth. 19.3 Spacecraft help us explore beyond Earth. 19.4 Space exploration benefits society.

  2. SIMULATION CLASSZONE.COM Explore different levels of scale in the universe. 19.1 Some space objects are visible to the human eye. • Gravity causes objects in space to be grouped together in different ways. orbit solar system galaxy universe constellation CHAPTER RESOURCES SECTION OUTLINE

  3. 19.1 Constellation Patterns

  4. VISUALIZATION CLASSZONE.COM View images of the night sky taken throughout the year. 19.1 Some space objects are visible to the human eye. • Stars form patterns in the sky. orbit • The sky seems to turn as Earth rotates around Polaris. solar system galaxy universe constellation CHAPTER RESOURCES SECTION OUTLINE

  5. 19.2 Telescopes allow us to study space from Earth. Each form of electromagnetic radiation provides different information about objects in space. electromagnetic radiation Astronomers use different types of telescopes to gather visible light and other forms of radiation. spectrum wavelength telescope CHAPTER RESOURCES SECTION OUTLINE

  6. 19.3 Spacecraft help us explore beyond Earth. Astronauts can explore space near Earth. Spacecraft without crews carry instruments to other worlds. A flyby mission usually provides data from several bodies in space. Orbiters, landers, and probes gather data from one planet or body. satellite space station lander probe CHAPTER RESOURCES SECTION OUTLINE

  7. 19.4 Space exploration benefits society. Space exploration has taught us about Earth’s development. It has also provided technology that has important uses on Earth. impact crater CHAPTER RESOURCES This boy communicates using technology developed by designers at NASA. SECTION OUTLINE

  8. 19.1 Some space objects are visible to the human eye. I. Some space objects are visible to the human eye. orbit • A. We see patterns in the universe. Different peoples around the world connected the patterns they saw in the sky with stories about imaginary beings (arrangement of planets, moons and stars.) solar system galaxy universe • 1. Arrangement of the Universe constellation • a. Earth • 1. Orbit - • the path of an object in space as it moves around another object because of gravity. • b. Solar System - • the Sun, the planets, and various smaller bodies • c. The Milky Way - • Our solar system and the stars you can see with your bare eyes CHAPTER RESOURCES KEY CONCEPT SUMMARY

  9. d. The Universe- Some space objects are visible to the human eye.(Continued) • space and all the matter and energy in it • * “Check Your Reading” What is the relationship between the solar system and the Milky Way? Answer: The solar system is in the Milky Way.

  10. 19.2 Telescopes allow us to study space from Earth. II. Telescopes allow us to study space from Earth. electromagnetic radiation • A. Light and other forms of radiation carry information about space. spectrum • B. Astronomers use telescopes to collect information about space. wavelength telescope • 1. Visible-Light, Infrared, and Ultraviolet Telescopes • 2. Radio Telescopes • 3. Telescopes in Space CHAPTER RESOURCES KEY CONCEPT SUMMARY

  11. 19.3 Spacecraft help us explore beyond Earth. III. Spacecraft help us explore beyond Earth. satellite • A. Astronauts explore space near Earth. space station • 1. Moon Missions lander • 2. Orbiting Earth probe • B. Spacecraft carry instruments to other worlds. • 1. Flybys • 2. Orbiters • 3. Landers and Probes • 4. Combining Missions CHAPTER RESOURCES KEY CONCEPT SUMMARY

  12. 19.4 Space exploration benefits society. IV. Space exploration benefits society. impact crater • A. Space exploration has given us new viewpoints. • 1. Surface Features • 2. Atmosphere • B. Space technology has practical uses. • 1. Satellite Views of Earth • 2. Technology Spinoffs CHAPTER RESOURCES KEY CONCEPT SUMMARY

  13. CLASSZONE.COM CHAPTER HOME Image Gallery Click here to view chapter images and animations Chapter Resources Click on the items below to access resources on Resource Centers Get more information on select science topics Audio Readings Hear chapter audio readings Content Review Review key concepts and vocabulary Standardized Test Practice Practice state standardized tests Math Tutorial Review math concepts BACK TO CHAPTER

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