D B Sun a=5 Ranking Instructions: Rank the orbital period (from longest to shortest) of the planets. Ranking Order: Longest 1 2 4 Shortest Or, the orbital periods of the planets would all be the same. mark). (indicate with check Carefully explain your reasoning for ranking this way:

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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.