Across
- 3. what is the biggest PLANET in our solar system
- 5. what planet is closest to the sun?
- 7. What is the name of our nearest neighbor galaxy?
- 8. what was the name of the spacecraft that Laika travelled to space in?
- 9. what planet was made into a dwarf planet?
Down
- 1. what is the name of the center of a black hole?
- 2. Which force keeps the planets in their orbits?
- 4. what is the coldest planet in the solarsystem
- 6. what is the name of the edge of a black hole
- 8. what planet did the Cassini-Huygens orbit around for 13 years?