Solar System crossword

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Across
  1. 2. A piece of rock or metal that has fallen from space as a meteor
  2. 4. An artificial body placed in orbit round the earth, moon or another planet to collect information or for communication
  3. 6. A star which the planets in our solar system orbit
  4. 9. A celestial body in an orbit around a star
  5. 10. A small body of matter from outer space that enters the earth’s atmosphere, becoming incandescent as a result of friction and they appear as a streak of light.
  6. 11. The curved path of a celestial object or spacecraft round a star, planet or star, or moon, especially a periodic elliptical revolution
Down
  1. 1. A object in space consisting of a nucleus of ice and dust and when near the sun
  2. 3. A fixed luminous point in the night sky which is a large, remote incandescent body like the sun
  3. 4. A spot or patch that appears on the sun occasionally that appears dark by contrast to its surroundings
  4. 5. year A unit of astronomical distance equivalent to the distance light travels in one year which is 9.4607 × 1012 km
  5. 6. system The collection of eight planets and their moons that orbit the sun, together with other smaller bodies that include asteroids, meteoroids and comets.
  6. 7. A small rocky body orbiting the sun. They range different sizes and some orbit Mars and Jupiter
  7. 8. A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction
  8. 10. A natural satellite of the Earth that by the reflected light of the sun makes it visible