Across
- 6. The type of tides that happen when the pull of the moon and sun cancel each other out.
- 8. An object that falls around the Earth
- 10. These types of tides happen when the Sun, Earth and Moon are aligned. The tides are higher than average.
- 12. Gravitational constant was used to calculate the mass of this the ___________ in the 18th century which made the newspapers everywhere.
- 13. Degree that is optimal to launch something for maximal range when air drag is negligible.
- 15. This law holds for all phenomena for which the effect from a localized source spreads uniformly throughout the surrounding space
- 17. An object that is propelled by some other means and continues in motion by its own inertia
- 19. Scientist who reasoned that source of the force between the earth and an apple can explain the force between moons and planets and everything else in our universe
Down
- 1. What would happen if a star the size of the sun collapsed to a small radius
- 2. Universal Gravitational _____________ "G"
- 3. Who is the created laws of planetary motion
- 4. This gravitational feature surrounds massive bodies such that bodies in this region experience a force
- 5. The law of _______________ gravitation relates the force of two objects with regard to their masses and distance they are apart
- 7. Satellite motion is dependent on this property of energy
- 9. Type of orbit that is not circular
- 11. interplanetary forces that cause wobblings in planetary paths
- 14. Pressing against Earth is called this sensation
- 16. Leaving Earth's gravitation field requires reaching this.
- 18. What falls around the Earth in the sense that it falls away from the straight line that it would travel if there was no force acting on it