Perfect for beginners with simple, common vocabulary
Celestial Mechanics and Cosmic Mysteries
Challenging puzzle for experienced crossword solvers
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Across
- 2. Farthest point in orbit from the Sun's radiant embrace
- 3. Small celestial body that coalesces to form planets
- 4. Plane of Earth's orbit, pathway of the zodiac constellations
- 5. Non-uniformity in cosmic microwave background radiation
- 7. Distance measure where a star’s parallax is one arcsecond
Down
- 1. Extremely luminous nucleus powered by a supermassive black hole
- 6. Boundary beyond which not even light escapes a black hole
- 8. Interstellar cloud, often a stellar nursery or remnant
- 9. Rapidly rotating neutron star emitting beams of radiation
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- Challenging puzzle for experienced crossword solvers
- Perfect for beginners with simple, common vocabulary