Earth and its Neighbours

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Across
  1. 3. planet that supports life
  2. 4. Freezing cold winds blow on this planet
  3. 7. Heavenly bodies that go around the Sun
  4. 8. the tilted imaginary line on which the earth rotates
  5. 11. Erupts when hot boiling lava comes out of the earth
Down
  1. 1. also known as the morning star
  2. 2. Largest and fastest spinning planet
  3. 5. An imaginary line around the earth half way between the poles
  4. 6. Roman God of war
  5. 9. They twinkle at night
  6. 10. Natural satellite of the earth