Across
- 3. The event when the moon passes directly in front of the sun
- 4. Earth's hostile sister planet
- 5. The ring of dwarf planets and ice objects that contains Pluto
- 7. The instruments that help humans investigate space from earth
- 12. The name for a large star explosion
- 13. The first space telescope launched in 1990
- 16. The new space telescope launched on Christmas day 2021
- 17. The event that created the universe
Down
- 1. A star made up just of neutrons
- 2. A ring of these exists between Mars and Jupiter
- 6. The organisation that searches for extra terrestrial intelligence
- 8. Icy objects that re-appear at regular intervals, often have a tail
- 9. This is 13.7 billion years old
- 10. An object in space that has so much gravitational pull nothing can escape
- 11. The only other place humans have physically visited
- 14. The biggest planet in our solar system
- 15. A collection of hundreds of millions of stars