The distance at which the average radius of Earth’s orbit subtends an angle of 1 arc second, is known as : | parsec, astronomical unit, light year

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12.

The distance at which the average radius of Earth's orbit subtends an angle of 1 arc second, is known as :

वह दूरी जिस पर पृथ्वी की कक्षा की औसत त्रिज्या 1 आर्क सेकेण्ड का कोण अंतरित करती है, कहलाती है :

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