Unit 67: Lesson 2 Core Vocab

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Across
  1. 4. the curved path that something (such as a moon or satellite) follows as it goes around something else (such as a planet)
  2. 5. U.S. government organization that is responsible for space technology, travel, and research
  3. 6. one or more objects that orbit around a star
Down
  1. 1. planets that are beyond our solar system
  2. 2. the branch of science that studies stars, planets, and other objects in outer space
  3. 3. our Sun and the planets that move around it