French Revolution Crossword - Zach davenport

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Across
  1. 3. cloud of gas from which our solar system was born
  2. 4. a coherent, typically large body of matter with no definite shape
  3. 6. a system of two stars in which one star revolves around the other
  4. 9. a small very dense star that is typically the size of a planet
  5. 12. a group of stars forming a recognizable pattern
  6. 14. the process or result of joining two or more things together
  7. 16. which the absolute magnitudes (intrinsic brightness) of stars are plotted against their spectral types
  8. 19. a massive and extremely remote celestial object, emitting exceptionally large amounts of energy
  9. 21. a tendency to do nothing or to remain unchanged:
  10. 23. the range of wavelengths or frequencies over which electromagnetic radiation extends.
  11. 24. a star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass.
Down
  1. 1. the magnitude of a celestial object as it is actually measured from the earth
  2. 2. a celestial object of very small radius and very high density, composed predominantly of closely packed neutrons.
  3. 5. a galaxy in which the stars and gas clouds are concentrated mainly in one or more spiral arms.
  4. 7. the brightest star in the sky
  5. 8. a small rocky body orbiting the sun
  6. 10. the magnitude (brightness) of a celestial object as it would be seen at a standard distance of 10 parsecs.
  7. 11. a contracting mass of gas which represents an early stage in the formation of a star
  8. 13. a celestial object, thought to be a rapidly rotating neutron star, that emits regular pulses of radio waves
  9. 15. the effect whereby the position or direction of an object appears to differ when viewed from different positions
  10. 17. a very large star of high luminosity and low surface temperature.
  11. 18. the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
  12. 20. a small body of matter from outer space that enters the earth's atmosphere
  13. 22. cosmic bodies of extremely intense gravity from which nothing, not even light, can escape