Across
- 4. It has a distinctive set of rings and numerous moons.
- 7. It's part of a smaller constellation adjacent to a larger one named after a bear.
- 8. It is closest to the Sun and has no moons.
- 9. It provides light and heat to all the planets in our solar system.
Down
- 1. It is similar in size and composition to Earth.
- 2. It's one of the most recognizable constellations and contains the famous Orion's Belt.
- 3. It was the first planet located through mathematical predictions rather than empirical observation.
- 5. It is named after the Roman god of war.
- 6. Galileo was the first to observe them through a telescope in 1610.