Across
- 1. pattern of stars seen in the sky
- 3. is the difference in the two solar calendars
- 4. is an opaque object that emits thermal radiation
- 5. a constellation named after the Greek hero Herakles
- 7. the transverse motion across the sky
- 12. the actual brightness of a star
- 13. is when a body absorbs all incoming light and does not reflect any
- 14. is the power of a star
- 16. is used to determine astronomical distance
- 17. is the name derived from the latin term draconem
- 18. star patterns that have been discovered but have not been officially identified as constellation
- 20. the standard unit of distance
- 21. also known as "The Great Bear,"
- 22. is the study of the movements and positions of the sun, moon, planets, and stars in the belief that they affect the character and lives of people.
- 24. is known as "the hunter."
- 25. is a massive ball that emits light throughout the universe
Down
- 2. is recognized in astronomy but isn't an astrological sign
- 6. are those with a mass of more than 10 times higher than that of our sun
- 8. are the smallest stars in the universe
- 9. stars with a mass of about 0.8 to 10 times the solar mass of our sun
- 10. is the star with the largest proper motion in our sky at present
- 11. is one of two constellations said to represent Centaurs
- 15. is the hottest and most massive of all stars
- 19. is the branch of science that deals with celestial objects, space, and the physical universe as a whole.
- 23. means "circle of animals."