Does light lose speed the longer it travels through space?
speed of light in vacuum is a universal constant
Long distances do not cause speed to decrease; it remains at approximately 300,000 km/s.
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The speed of light in a vacuum is constant and does not vary with distance, as per Einstein's theory of special relativity. In other words, light does not slow down as it moves through space.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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