8th 1.1 Movement in Space

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Across
  1. 2. a streak of light in the sky produced by the burning of a meteoroid in Earth’s atmosphere
  2. 4. a pattern or grouping of stars that suggest the outline of a figure or object
  3. 7. term describing a model of the universe in which Earth is at the center of the revolving planets and stars
  4. 8. an oval shape, which may be elongated or nearly circular; the shape of the planets’ orbits
  5. 9. a ball of hot gas, primarily hydrogen and helium, that undergoes nuclear fusion
Down
  1. 1. term describing a model of the solar system in which Earth and the outer planets revolve around the sun
  2. 3. an object that orbits a star, is large enough to have become rounded by its own gravity, and has cleared the area of its orbit
  3. 5. 1) an object that orbits a planet. 2) Any object that orbits around another object in space
  4. 6. a loose collection of ice and dust that orbits the sun, typically in a long, narrow orbit