What Is the Speed of Light? How Many Kilometers Does It Travel in One Hour?

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Detailed Solution

The speed of light in a vacuum is a universal constant, exactly 299,792,458 meters per second. In kilometers per hour, this is approximately 1,079,252,849 km/h—over a billion kilometers every hour.

Why Is This Important? The speed of light is fundamental to physics, impacting everything from GPS technology to our understanding of the universe.

Real-World Example: Light from the Sun takes about 8 minutes to reach Earth, traveling at this incredible speed.
Actionable Insight: Use the speed of light as a reference point for understanding distances in space and the limitations of communication with distant spacecraft.

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