Across
- 1. Human can't _____ on Uranus.
- 2. The Sun is the star at the ______ of the Solar System.
- 4. The whole of Mars is as ____ as the South Pole.
- 5. Pluto isn’t the only dwarf planet in our Solar System,we have ___ dwarf planet.
- 6. The Sun's light reaches the Earth in _____ minutes.
- 7. Saturn's _____ are 90% water.
- 8. Many ancient civilisations thought The Sun was a ___.
- 9. Neptune is the fourth-largest planet in the Solar System by ________.
Down
- 1. The Moon is Earth's only natural _________.
- 3. Mars is the ______ planet from the Sun and the ______ smallest planet in the Solar System.
- 7. The Solar System is _______ 4.5 billion years old.