Astronomy Crossword Puzzle

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Across
  1. 1. a body that naturally orbits a planet
  2. 2. GIANTS a very large type of star that is expanding while running out of fuel, and will eventually explode
  3. 4. a ball of gas that gives off heat and light.
  4. 5. a large planet famous for the rings of material around its equator
  5. 8. all of space and the matter and energy contained in it
  6. 9. a cloud of gas and dust particles that may come together and heat up to form a star
  7. 10. a person engaged in or trained for spaceflight.
  8. 11. DWARF the core remaining after a red giant has shed layers of gases.
  9. 12. a body composed of rock, dust and ice.
  10. 14. a huge explosion that happens in the life cycle of super-giant stars
  11. 16. a very large group of stars held together as a system by gravity
Down
  1. 1. a small planet near Earth. Space probes have brought back samples from this place.
  2. 2. SYSTEM our Sun and everything that orbits it, including the eight planets (including Earth), the planets' moons, asteroids and comets a large planet famous for the rings of material around its equator
  3. 3. GIANT a large planet mostly made up of gas.
  4. 5. an object that orbits another object. Scientists have made and launched many artificial ones of these.
  5. 6. GIANT a star in a late stage of its life.
  6. 7. YEAR the distance light travels
  7. 10. the study of space
  8. 13. the force of attraction that exists between any two bodies in the universe that have mass.
  9. 15. WAY the galaxy of which our solar system is a very small part