Challenging puzzle for experienced crossword solvers
Cosmic Mysteries of the Expanding Universe
Explore the vast wonders and phenomena of the cosmos with this engaging crossword puzzle centered on the Universe's fundamental elements and mysteries.
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Across
- 1. Small rocky body orbiting the sun
- 2. Extremely luminous active galactic nucleus
- 5. Instrument used to observe distant objects
- 7. Massive system of stars, gas, and dark matter
- 9. The path one object takes around another
- 11. High-energy particles originating from outer space
- 13. Boundary beyond which events cannot affect an observer
Down
- 3. Highly magnetized rotating neutron star
- 4. Invisible matter that affects the universe's structure
- 6. Cloud of gas and dust in space
- 8. Explosive death of a massive star
- 10. Region of space with gravity so strong nothing escapes
- 12. Increase in wavelength due to expanding universe
- 14. The entire universe seen as an orderly system
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