Across
- 4. Making a complete turn around another object
- 7. The slant of Earth's axis
- 9. The star at the center of the solar system that supplies heat and light to Earth; its enormous gravity keeps the solar system in orbit
- 10. An event that happens when the Moon passes between Earth and the Sun, covering all or part of the Sun; occurs when the Sun, Earth, and the Moon line up; lasts less than 12 minutes
- 13. The four natural divisions of the year based on changes in temperature due to the varied amounts of sunlight (both intensity and number of daylight hours received); caused by the tilt of Earth during revolution
- 15. The moon's repeated pattern of movement and changes in appearance due to its revolution around Earth
- 16. Information that has been collected
Down
- 1. A limited representation of something that can help us understand its structure or how it works
- 2. Making a complete spin on an axis
- 3. A natural satellite that orbits a planet; some planets have no moons, and others have over 60 moons
- 5. An obscuring of the light from a celestial body by the passage of an object between the celestial body and the observer or between the celestial body and its source of illumination
- 6. Points of farthest and closest distance of the Sun from Earth that correspond to the beginning of winter and summer
- 8. When the full moon passes into Earth's shadow, causing the Moon to appear reddish in color; occurs when the Sun, Earth, and the Moon directly line up
- 11. An imaginary line that Earth rotates around
- 12. A group of stars that form a recognizable pattern in the sky
- 14. The third planet from the Sun and the only planet in the solar system where life exists