Big Bang Theory Crossword

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Across
  1. 4. The tenth brightest star in the sky, in the constellation Orion.
  2. 6. A remnant of a supernova detected first in 1054 AD
  3. 10. The seventh brightest star in the sky, and the brightest in the constellation Orion.
  4. 11. Spectrum with lines missing from the pattern.
  5. 12. A spectrum of the electromagnetic radiation emitted by a source.
  6. 15. A decrease in the wavelength of radiation emitted by an approaching celestial body as a consequence of the Doppler effect.
  7. 17. An increase in the wavelength of radiation emitted by a celestial body as a consequence of the Doppler effect.
  8. 18. When the planet Venus passes directly between the Sun and Earth (or another planet), becoming visible against (and hence obscuring a small portion of) the solar disk
  9. 19. The branch of science that deals with celestial objects, space, and the physical universe as a whole.
  10. 20. The third brightest star in the sky, in the constellation Centaurus.
  11. 21. Theory that the universe began from a hot, dense state at some time in the past, from then it has continued to expand and will continue to do so in the future.
  12. 22. A phenomenon, observed for sound waves and electromagnetic radiation, characterized by a change in the apparent frequency of a wave as a result of relative motion between the observer and the source
  13. 23. Explosive death of a star
  14. 24. The brightest star in the sky, south of the celestial equator in the constellation Canis Major.
Down
  1. 1. Faint microwave radiation that penetrates space throughout the universe, postulated to be a residual effect of the Big Bang.
  2. 2. A collection of beliefs or practices mistakenly regarded as being based on scientific method.
  3. 3. A polar projection of half or more of the celestial sphere on a chart equipped with an adjustable overlay to show the stars visible at a particular time and place.
  4. 5. Huge Collection of Billions of stars held together by their own gravity
  5. 7. Grid like segment of stars in the sky
  6. 8. A constellation in the celestial equator near Gemini and Taurus, containing the stars Betelgeuse and Rigel.
  7. 9. Theory that the universe has always existed and that matter is constantly being created at an enormous rate, causing the universe to expand.
  8. 11. The Study of the Stars
  9. 13. Natural objects visible in the sky
  10. 14. A law stating that the velocity of recession of a galaxy is proportional to its distance from the observer
  11. 16. The Second brightest star in Centuarus