Space

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Across
  1. 4. A large, glowing ball of gas that produces heat and light.
  2. 7. An object that orbits around a planet or other celestial body.
  3. 8. A person who travels and works in space.
  4. 9. An instrument used to observe distant objects in space.
  5. 10. System The system consisting of the Sun and the planets and other objects that orbit around it.
  6. 12. A celestial object consisting of a nucleus of ice and dust that becomes luminous when passing close to the Sun.
  7. 13. A natural satellite that orbits around a planet.
  8. 14. A vehicle that is propelled by engines to travel through space.
Down
  1. 1. The path followed by an object as it revolves around another object.
  2. 2. A large object that orbits around a star, such as the Sun, and does not produce its own light.
  3. 3. All of space and everything in it, including stars, planets, galaxies, and other matter and energy.
  4. 5. A large system of stars, dust, and gas held together by gravitational forces.
  5. 6. A small particle from outer space that enters the Earth's atmosphere and burns up, creating a streak of light.
  6. 7. A vehicle designed for travel or operation in outer space.
  7. 11. A scientist who studies the stars, planets, and other objects in space.