solar system

12345678910111213
Across
  1. 2. a fixed luminous point in the night sky which is a large
  2. 4. a celestial body distinguished from the fixed stars by having an apparent motion of its own
  3. 5. system of millions or billions of stars, together with gas and dust, held together by gravitational attraction
  4. 7. the natural satellite of the earth, visible (chiefly at night) by reflected light from the sun.
  5. 8. Neptune is the eighth and farthest known planet from the Sun
  6. 9. The fourth planet from the Sun and the second smallest in the solar system, with a diameter about half that of Earth.
  7. 12. the planet on which we live
  8. 13. The seventh planet from the Sun and the third largest, with a diameter about four times that of Earth
Down
  1. 1. a path described by one body in its revolution about another
  2. 2. the collection of eight planets and their moons in orbit around the sun
  3. 3. ice cap. a mass of ice and snow that permanently covers a large area of land
  4. 6. a gas giant made up mostly of hydrogen and helium
  5. 7. the smallest planet in the solar system
  6. 10. the sixth planet from the Sun
  7. 11. the second planet from the Sun, and the sixth largest planet