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प्रश्न
Explain why spacecraft take longer to reach the moon than light?
स्पष्ट करा
टीपा लिहा
उत्तर
- The astronomical object closest to earth is the moon.
- Light takes 1s to reach from the moon to the earth. It means that if one travels at the speed of light, it will take 1 s to reach the moon.
- Hence, as spacecraft travels at a much smaller speed, it takes a longer time to reach the moon.
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