Moderate difficulty suitable for most players
Celestial Mechanics and Cosmic Enigmas is a hard crossword puzzle with 10 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
Celestial Mechanics and Cosmic Enigmas
Challenging puzzle for experienced crossword solvers
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Across
- 1. Distance unit where a star's apparent shift equals one arcsecond
- 2. Region between Mars and Jupiter teeming with minor planets
- 5. Abundance indicator of elements heavier than helium in stars
Down
- 3. Extremely luminous centers of distant active galactic nuclei
- 4. Opaque layer where light escapes from a neutron star's surface
- 6. Term describing the medium between stars in a galaxy
- 7. Late stellar stage marked by swelling and cooling photosphere
- 8. Terminology describing moon's visible illuminated portion
- 9. Apparent annual path of the sun on the celestial sphere
- 10. Flattening effect seen in rapidly rotating planets' shapes
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