Space

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Across
  1. 2. explosion of small stars
  2. 3. sequence The phase our sun is
  3. 7. What is the universe made up of?
  4. 8. hole stars larger than sun eds its life as
  5. 10. explosion of large stars
  6. 12. ____ force keeps the planets in the orbit.
  7. 13. heaviest element formed in the core of the star.
Down
  1. 1. the em waves can travel through ______.
  2. 4. cloud of gas and dust
  3. 5. always towards the centre of the orbit.
  4. 6. Core of sun is made of ___________
  5. 8. dwarf smaller stars than sun end up as
  6. 9. In a stable star the ----- equals the pressure from fusion.
  7. 10. Galaxy contain __________
  8. 11. satellites ___ and ___ orbit the sun