The Solar System 1

123456789
Across
  1. 1. Earth's nearest star.
  2. 4. Name of spacecraft sent to orbit Mercury in 2004.
  3. 5. The smallest planet in the Solar System.
  4. 7. The Milky Way is one of billions of these in the Universe.
  5. 9. Nationality of astronomer Nicolaus Copernicus.
Down
  1. 1. Surname of astronaut who played golf on the Moon in 1971.
  2. 2. Latin name for the Northern Lights (two words).
  3. 3. First name of scientist Newton who discovered gravity.
  4. 6. The number of planets in the Solar System.
  5. 8. The clouds that cover Venus are made from this.