puzzle

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Across
  1. 3. The red planet.
  2. 4. A bright streak of light caused by a space rock entering Earth’s atmosphere.
  3. 5. The force that keeps planets in orbit around the Sun.
  4. 7. MOON The phase of the Moon when it appears completely dark.
  5. 8. The closest star to Earth.
  6. 9. A celestial body that orbits a planet.
Down
  1. 1. A group of stars forming a pattern in the sky.
  2. 2. The largest planet in our solar system.
  3. 3. WAY The galaxy that contains our solar system.
  4. 6. The hottest planet in our solar system.