Across
- 4. Gravitational pull of the sun and moon combine and the forces produce the greatest change between high and low tides
- 5. Earth is stationary while the sun and other planets move around it
- 7. Asteroid like bodies that eventually combine to form planets
- 9. Low flat plains formed by ancient lava flows
- 10. The process of adding mass by combining with other planetesimals
Down
- 1. The moon casts a shadow on a portion of Earth's surface
- 2. A wide belt that extends out from beyond the orbit to Pluto to about 100AU
- 3. The average distance from the Earth to the Sun
- 6. the less dark part of a shadow
- 8. Small rocky bodies orbiting the sun mostly found beyond Mars