Stars and galaxies in the universe

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Across
  1. 4. The process that powers stars by combining hydrogen atoms into helium.
  2. 8. The type of star that our Sun is classified as.
  3. 9. A star that suddenly increases greatly in brightness and then fades.
  4. 10. The end stage of a massive star, where it collapses into an infinitely dense point.
Down
  1. 1. A huge cloud of dust and gas in space, where stars are born.
  2. 2. The group of stars that form patterns in the sky, often named after mythological figures.
  3. 3. The galaxy where our Solar System is located.
  4. 5. The brightest star in the night sky.
  5. 6. The closest star to Earth.
  6. 7. A massive system of stars, dust, and gas bound together by gravity.