Across
- 5. Month that the meteor shower Perseid occurs in
- 10. Jupiter's moon Io, has an atmosphere made of this gas
- 11. This is the state the voyager spacecrafts were launched from
- 13. The first spacecraft to ever visit Uranus
- 15. This is the name for elements created in a lab
- 17. Comets follow these three laws
- 19. Broken off pieces of larger bodies
- 20. The amount of moons discovered on Uranus
- 21. Number of meteor showers per year
- 22. The initial explosion that created the universe along with the elements
- 23. io has this natural feature
Down
- 1. The type of water found on Uranus by Voyager 2
- 2. Meaning suspended in air (in Greek)
- 3. A type of explosion that caused reactions which formed the other 83 natural elements
- 4. The type of reaction that caused the other 83 natural elements
- 6. This system was photographed by Voyager 2
- 7. These were created as the particles began to cool down after the creation of the universe
- 8. Number of distinct types of space rocks
- 9. Name of the "most famous" comet
- 12. This accelerator is the machine that aided in discovery of the elements in 115, 117, and 118
- 14. One of two elements of the first elements were formed by the Big Bang
- 16. Shape of a comets orbit
- 18. This type of nuclei was created during the creation of the universe
- 19. Scientits believe this is what caused dinosaurs to go extinct