Vocabulary Observing the Night Sky Part 1

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Across
  1. 2. an imaginary line about which a body rotates
  2. 4. An object that enters Earth’s atmosphere and burns up, creating a streak of light. Sometimes called a shooting star.
  3. 6. A star and all of the planets, moons, asteroids, comets, and other objects orbit the star.
  4. 8. The curved path a celestial object takes when it revolves around a star, planet, or moon. To move in an orbit around another object.
  5. 10. A small, rocky object that is in an orbit around a star, but doesn’t qualify as a planet.
  6. 11. A collection of millions to billions of stars, mostly seen as spiral or elliptical shapes.
  7. 12. When a celestial object goes around another object. Also called orbiting.
  8. 13. An object that is in a highly elliptical orbit around a star which generates a tail of dust and gas as it approaches the star.
Down
  1. 1. Contains all matter and energy in existence. Includes all galaxies, stars, and planets.
  2. 3. A natural object that is in orbit around a planet
  3. 5. A round object that is in orbit around a star.
  4. 6. A celestial body of gas that releases light and energy due to nuclear fusion.
  5. 7. A remaining piece of a meteor is found on the ground.
  6. 9. When an object turns about its axis.
  7. 14. The path of an object in motion and being affected by the gravitational force of another object.