Space

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Across
  1. 1. The curved path of a celestial object or spacecraft round a star, planet, or moon, especially a periodic elliptical revolution.
  2. 3. An astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.
  3. 6. Objects in space that range in size from dust grains to small asteroids.
  4. 9. A vehicle used for travelling in space.
Down
  1. 2. A region of space having a gravitational field so intense that no matter or radiation can escape.
  2. 4. A celestial body moving in an elliptical orbit around a star.
  3. 5. Cosmic snowballs of frozen gases, rock and dust that orbit the Sun.
  4. 6. A piece of rock or metal that has fallen to the earth's surface from outer space as a meteor.
  5. 7. A person who is trained to travel in a spacecraft.
  6. 8. a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.