Across
- 2. is a small and rock body that orbits the sun
- 4. _____ planets inclue jupiter, saturn, uranus, and neptune
- 5. _____ planets include mercury, venus, earth, and mars
- 8. this occurs when the moon's shadow falls on part of the earth
- 9. the cooler color of star
- 10. the universe has been _________ ever since what it is now
Down
- 1. hypothetical form of energy that exerts a negative, repulsive pressure, behaving like the opposite of gravity
- 3. more is kown about the moon than any other ________ body
- 6. is a mass of water, methane, and ice-dirty snowballs
- 7. it's diameter is about one-quater that of the earth