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2. | (2 words) Lights in the northern sky caused by glowing gases |
3. | (3 words) Darkening of the sun when the moon covers all but a ring of it |
4. | (2 words) Any darkening of the sun by the moon. |
5. | One of the shapes in the monthly cycle of the moon. |
7. | Line extending out from a crater. |
8. | Transfer of light and heat energy directly through space. |
9. | Dark area on the sun caused by a storm. |
11. | (2 words) Star that changes in brightness. |
15. | (2 words) Sun and all the heavenly bodies in orbit around it. |
17. | (2 words) Phase showing the entire face of the moon. |
18. | Half-circle phase of the moon. |
19. | Curved phase between new and quarter moon. |
21. | Phase between quarter and full moon. |
23. | Element first discovered on the sun. |