Across
- 1. Kepler's second law describes how planets sweep equal areas in equal ____.
- 4. The German astronomer who formulated the three laws of planetary motion
- 6. the point in a planets orbit where it is closest to the sun is called this?
- 7. The period of a planets orbit squared is proportional to this parameter cubed according to Kepler's third law
Down
- 2. Kepler's first law states that planetary orbits are shaped like this geometric figure
- 3. Kepler's third law is also known as the law of ___.
- 5. This law states that planets move faster in their orbits when they are closer to the sun