Challenging puzzle for experienced crossword solvers
Celestial Mysteries of Cosmic Realms
A challenging crossword exploring key concepts and phenomena that define the vast universe.
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Across
- 2. A stellar explosion that outshines entire galaxies temporarily
- 3. Extremely luminous active galactic nucleus powered by a black hole
- 4. The curved path of an object around a star or planet
- 7. Rocky object orbiting the Sun, mostly found between Mars and Jupiter
Down
- 1. The universe seen as a well-ordered whole
- 5. A massive system of stars, stellar remnants, and dark matter
- 6. Invisible substance that exerts gravitational forces on galaxies
- 8. Cloud of gas and dust in space, often a star nursery
- 9. Boundary beyond which events cannot affect an observer
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