space

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Across
  1. 6. a celestial body that orbits around a planet
  2. 7. machine launched into space that orbits a particular celestial body
  3. 8. an astronomical body orbiting a star
  4. 9. a unit of astronomical distance equivalent to the distance that light travels in one year
  5. 11. a spot or patch that appears from time to time on the sun's surface
  6. 12. a meteor that has fallen onto Earth's surface
  7. 13. small rocky body that enters Earth'satmosphere
Down
  1. 1. the curved path of a celestial object or spacecraft around a star, planet, or moon
  2. 2. celestial object consisting of a nucleus of ice and dust, when near the sun a 'tail' forms
  3. 3. the star at the centre of our solar system
  4. 4. a system of millions of stars together with gas and dust, held together by gravitational attraction
  5. 5. the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets.
  6. 7. very large ball of bright glowing hot matter in space
  7. 10. small rocky body orbiting the sun