Science

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Across
  1. 1. An extremely dense object with a massive gravitational pull
  2. 5. A galaxy that looks like a flat rotating disc
  3. 6. A stream of charged particles released from the suns corona
  4. 8. A large structure in space containing hundreds of thousands of stars
  5. 11. The energy a star has
  6. 14. A galaxy that resembles an oval or circle
  7. 16. The extremely dense remains of a supernova
  8. 19. The unit of measurement used after you found the parallax
  9. 20. A system of two stars that are gravitationally bound together
  10. 23. Young stars found in the disc or arms of a galaxy
  11. 24. The measure of how bright a celestial being is
  12. 25. A vast gravitationally bound system of stars
  13. 26. The birthplace of a star
  14. 27. The formula to find the distance from Earth to a star ( only useful on a str within 500 ly )
  15. 28. A roughly spherical collection of stars surrounding the center of a galaxy
Down
  1. 2. The galaxy group containing the MilkyWay
  2. 3. The outermost layer of the sun
  3. 4. A star that varies in brightness
  4. 7. A galaxy that lacks a defined shape
  5. 9. Old stars found in the center of a galaxy
  6. 10. The center of a galaxy
  7. 12. A looping shape that erupts from the sun's surface
  8. 13. A gravitationally bound collection of galaxies
  9. 15. A star in a stable phase where it fuses hydrogen into helium
  10. 17. A famous supermassive blackhole
  11. 18. A variable star that has a regular cycle of change
  12. 21. An extremely bright galaxy due to the radio ways emitted
  13. 22. A super bright object found at the center of galaxies