Explore key terms and phenomena related to the vast universe in this engaging crossword puzzle.
Mysteries of Cosmic Expansion
Explore key concepts and phenomena related to the expanding universe, galaxies, and celestial mechanics.
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Across
- 1. Explosive death of a star
- 2. High-energy particles from space reaching Earth
- 3. Massive system of stars, gas, and dark matter
- 9. Force that attracts objects toward each other
Down
- 4. Object orbiting a planet or star
- 5. A cloud of gas and dust in space
- 6. Extremely bright and distant active galactic nucleus
- 7. Invisible substance making up most of the universe's mass
- 8. The scientific study of the universe's origin and development
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