1. Which is the angle of incidence? a) the ray of wave energy that is exiting the new medium b) the ray of wave energy that is approaching the new medium 2. What is the deepest area of Earth that has been seen by people?  Select the BEST answer. a) Lithosphere b) Crust  c) Asthenosphere d) Mantle 3. Deeper earthquake waves travel faster than shallow earthquake waves. a) true b) false

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.