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