Solar System Crossword

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