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Across 1. The seasons happen because the Earth _____. 7. The Earth spins on its _____. 8. This planet is about the same size as Earth. 11. When the moon goes into the Earth's shadow, there is a _____ eclipse. 13. A _____ can have billions of stars. 14. When the moon is _____, it is getting smaller. 17. This planet has the biggest rings. 21. There are millions of galaxies in the _____. 22. The Earth _____ the sun. 24. Jupiter, Neptune, Uranus, and Saturn are the _____ giants. 26. This planet is blue. 27. This planet has the tallest mountains.

Down 2. When the moon makes a shadow on part of the Earth, there is a _____ eclipse. 3. We live in the ______ Way galaxy. 4. The moon reflects light from the _____. 5. When the moon is _____, it is getting bigger. 6. When we don't see any moon in the sky, this is called a _____ moon. 9. An eclipse is a ______. 10. This planet spins on its side. 12. The closest planet to the sun. 15. This force keeps us from floating off the Earth. 16. There is an ______ belt between Mars and Jupiter. 18. The Earth spins or _____. 19. A moon that is bigger than half, but not whole, is a _____ moon. 20. The largest planet in our solar system. 23. The first 4 planets are made of _____. 25. Our sun is a ______.