Across
- 3. very cold or freezing
- 5. largest of the gas giant planets with more than 60 known moons
- 7. the Earth does this on its axis which results in day and night
- 10. an instrument astronomers use to transmit weather information as it orbits the Earth
- 11. Earth's closest neighbor; a thick, cloudy atmosphere holds in the heat from the sun making it very hot
- 12. the spiral galaxy that Earth is a part of
Down
- 1. these objects orbit our sun and sometimes enter our atmosphere
- 2. last of the rocky planets: rust in the surface rocks gives it a red-color
- 4. to flow or trail
- 6. these eight objects orbit the sun in our solar system
- 8. Earth is the third planet and gets just the right amount of this
- 9. a very large cluster of billions of stars, dust and gas held together by gravity