TEK 8.9B

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Across
  1. 4. a star and the collection of celestial objects gravitationally bound to it
  2. 5. The arm where our solar system is
  3. 9. A circular Galaxy with a disc like shape
  4. 10. One of the most pronounced arms, containing many HII regions, young stars, and giant molecular clouds
  5. 11. The Galaxy where our solar system is
Down
  1. 1. sometimes referred to as the 3 kiloparsec Arm
  2. 2. a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction
  3. 3. a luminous, spherical celestial object, primarily composed of gas, usually hydrogen and helium, that generates energy through nuclear fusion in its core
  4. 4. Named for its connection to the constellations Scutum and Centaurus
  5. 6. A Galaxy with no specific shape or hold
  6. 7. A Galaxy with arms with a strong circle center
  7. 8. An arm of the Milky Way where the Perseus constellation is most prominent