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Gagan Mishra

Ssc & Railways
General Awareness
2 years ago

प्रकाश वर्ष किसका मात्रक

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Abhishek Mishra

2 years ago

A light-year, alternatively spelled lightyear, is a large unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometers, or 5.88 trillion miles

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