crossword puzzle

2. constellations constellations that move counterclockwise directions.
4. the standard unit of distance.
6. known as the hunter.
9. Rigel a young blue star and one of the most luminous of all stars.
11. a constellation named after the Greek hero Herakles.
14. Shift stars seem to shift their positions against the farther stars.
15. constellations lie on the other side of the celestial equator.
17. Are formed when a gas cloud out in the nebula or other region in space.
19. body an opaque object that emits thermal radiation.
21. signs one of the 12 specific constellations the sun passes through.
22. patterns of stars seen in the sky.
24. star patterns that have discovered but not been officially identified as a constellation.

1. the difference in two solar calendars.
3. was a vain and boastful wife of King Cepheus of Ethiopia.
5. displays little movement in the sky.
7. Major known as the big bear.
8. Giant stars those with a mass more than 10 times higher than that of our sun.
10. plane is the imaginary line traced by the sun and sky.
12. is the power of a star.
13. is the measurement of stars.
16. Betelgeuse a red star that doesnt shine with a steady light as it expands.
18. are created when materials in the disk around a preexisting star begins to condense around a rock.
20. magnitude astronomers describe the actual brightness of a star.
23. is known as Dragon.
24. apparent motion due to the rotation of the earth.