Inner Planets Vocabulary

123456789
Across
  1. 2. The smallest planet in our Solar System
  2. 5. A star that all planets orbit
  3. 6. Layers of gas surrounding a planet
  4. 8. How planets move around the Sun
  5. 9. Known as the Red planet
Down
  1. 1. Earth or rocky land
  2. 2. A celestial body orbiting a planet
  3. 3. Named after the Roman god of Love and Beauty
  4. 4. 4 planets in between the Sun and the Kuiper Belt
  5. 7. The only planet with known life