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The number of stars
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Classroom Contents
Planets Beyond Our Sun - Exploring Extraterrestrial Solar Systems
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- 1 Introduction
- 2 The Neighborhood of the Sun
- 3 The Perspective of the Stars
- 4 How can we do this
- 5 The next decade
- 6 Contacting the cosmos
- 7 The Voyager phonograph record
- 8 Evolution of the Earth
- 9 Radio
- 10 Radio telescopes
- 11 Natural frequencies
- 12 Understanding the message
- 13 The process
- 14 The plexiglass
- 15 Unidentified flying objects
- 16 The number of stars
- 17 The time we live in
