space vocab

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Across
  1. 1. huge explosion that destroys a dying star
  2. 3. a sphere of carbon that is hot and is slowly cooling
  3. 5. the process that two nuclei combine into a larger one
  4. 6. something in orbit around an object collecting information
  5. 10. the tides after a new or full moon
  6. 11. an object with gravity so immense that not even light can escape
  7. 15. the path of an object that moves around another object
  8. 17. the gravity being put on an object
  9. 18. something sent into space unmanned to collect and send info
  10. 19. tide after the first three quarters of the moon
  11. 23. the invisible attractive force between objects
  12. 25. dust that surrounds the core of a developing solar system
Down
  1. 2. a part of the electromagnetic spectrum emitted by a source
  2. 4. a big hot sphere of hydrogen that is held together by gravity and uses nuclear fusion at it's core
  3. 7. a unit of measurement that takes 1 year for light to travel
  4. 8. a instrument that examines spectra
  5. 9. an scientific instrument that can see the stars in a better way with mirrors and lens
  6. 11. the theory in which the universe was started by an explosion of dust
  7. 12. electromagnetic wavelengths shifting
  8. 13. huge cloud of dust and matter
  9. 14. the galaxy we live in
  10. 16. the content of matter and time that we l
  11. 20. clump of stars, planets, and dust that we live in
  12. 21. the rise and fall of the oceans waves because of the gravity of the moon
  13. 22. a diagram that can predict the luminosity and temperature of a star
  14. 24. how dense all objects with weight have