Challenging puzzle for experienced crossword solvers
Celestial Mysteries of the Cosmos
Explore the vast wonders and phenomena of the universe with this engaging crossword puzzle.
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Across
- 1. Extremely bright and distant active galactic nucleus
- 3. Region of space with gravity so strong nothing escapes
- 5. The study of the origin and development of the universe
- 7. Small rocky object orbiting the sun
Down
- 2. A cloud of gas and dust in space
- 4. Massive system of stars, gas, and dust bound by gravity
- 6. Invisible substance making up most of the universe's mass
- 8. Explosion marking the death of a massive star
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