Across
- 3. The second smallest planet in the Solar System that may crash into the Earth in a few million years
- 4. In order for Neptune to exist the planet would had to __________.
- 6. A description of what could possibly happen.
- 7. This theory supports the idea of Accretion during our solar system's formation
- 8. The addition of this component turns the Theory of Special Relativity to General Relativity.
Down
- 1. disaster
- 2. Roman god of light, name of a planet in our solar system.
- 3. One of two planets that may crash into the Earth according to simulations.
- 5. The cause to a lack of steadiness
- 6. Tests that help support or debunk theories and scientific ideas.