6th Grade Science 1.21.22

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Across
  1. 4. a group of galaxies that are found close together
  2. 7. a star plotted in the left-to-right band across the HR diagram
  3. 10. the collection of all the matter, space and energy that exists, also known as the cosmos
  4. 12. an older star with a cooler outer layer
  5. 13. stellar core remnant of a low to medium mass star
Down
  1. 1. the tightly-packed collapses core of a larger star
  2. 2. the largest structure in the universe, composed of many galaxy clusters
  3. 3. a gravitationally dense region of space-time where nothing can escape, not even light
  4. 5. a massive, hot, shining ball of gas
  5. 6. clouds of dust and gas found in space
  6. 8. a large, hot star off the main sequence
  7. 9. a body held together by gravity that is made of millions of stars, gas, and dust
  8. 11. a cool, small star on the main sequence