Hubble to Hubble

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Across
  1. 1. a celestial body that orbits a star and is the only object in its orbit
  2. 4. the forece of attraction between two objects
  3. 13. the system of planets and other bodies orbiting the sun
  4. 14. a series of three lawys that explain planetary motion
  5. 17. matter dust and other matter, inclusing streams of protons, moving between the starts
  6. 18. spinning neutron starts that give off bursts of radio waves at regular intervals
  7. 20. a huge ball of gas that produces heat and light
  8. 21. a NASA satellite that observes things in space, such as black holes and neutron stars
  9. 22. a smaller star that has run out of fuel
  10. 23. the path that a planet, moon, or celestial body follos around another body
  11. 24. icy and dusty objects that orbits a star
  12. 25. inviseble region in space with a strong gravitational field
Down
  1. 2. the study of the physics and chemistery of bodies in space
  2. 3. everything that exists anywhere
  3. 5. places where you can use strong telescopes to view space
  4. 6. energy released in an atomic reaction in with two nuclei combine to make a larger one
  5. 7. the study of the universe and of object in space such as the moon, sun, planets, and stars
  6. 8. a very small, superdense star composed mostly of tightly packed neutrons
  7. 9. US National Aeronautics and Space Administration
  8. 10. a layer of gases that surround a planet
  9. 11. an instrument made of lenses and mirrors that is used to view distant objects
  10. 12. emission of energy waves
  11. 15. electromagnetic radiation, with wavelengths longer than visible light but shorter than radio waves
  12. 16. a parson who studies celestial objects
  13. 19. the science of matter and enerfy and of interactions between the two