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Questions and Answers
What is the speed of light in vacuum?
What is the speed of light in vacuum?
299,792,458 metres per second
According to the special theory of relativity, what is the upper limit for the speed at which conventional matter or energy can travel through space?
According to the special theory of relativity, what is the upper limit for the speed at which conventional matter or energy can travel through space?
c, the speed of light
What is the significance of the finite speed of light for long distances and sensitive measurements?
What is the significance of the finite speed of light for long distances and sensitive measurements?
It has noticeable effects
How does the speed of light allow humans to study the history of the universe?
How does the speed of light allow humans to study the history of the universe?
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What is the time it can take for signals to travel when communicating with distant space probes?
What is the time it can take for signals to travel when communicating with distant space probes?
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