Across
- 4. Saturn's largest moon
- 6. dark energy which separates two galaxies
- 7. cloud of dust and gas in space
- 9. closest galaxy to milky way
- 10. separate into soluble and insoluble constituents by the percolation of liquid
- 12. doubtful on anything
- 15. force which holds everything
- 16. a system of billions of stars, together with gas and dust, held together by gravity
Down
- 1. confused and perplex
- 2. theoratical portals between two blackholes
- 3. theory in which everything started
- 5. sudden explosion of energy caused by tangling, crossing or reorganizing of magnetic field lines near sunspots
- 8. comet which visits earth every 70 years
- 11. explosions when a star dies
- 13. jupyters largest moon
- 14. forms when star dies