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8 Jan 2021
The speed of light is approximately 3 * 10^5 km/s .if the star is 5.112 * 10*13 kilometers away from earth is born ,how long after it is born would we see it from earth ?
The speed of light is approximately 3 * 10^5 km/s .if the star is 5.112 * 10*13 kilometers away from earth is born ,how long after it is born would we see it from earth ?
2 Jun 2021