The radius of the Earth is 6371 km and the r | vedclass

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(C) The diameter of the Earth $(D_e)$ is $2 	imes 6371 \ km = 12742 \ km = 1.2742 	imes 10^4 \ km$.The order of magnitude of the diameter of the Ear

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$10^4$

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(C) The diameter of the Earth $(D_e)$ is $2 	imes 6371 \ km = 12742 \ km = 1.2742 	imes 10^4 \ km$.The order of magnitude of the diameter of the Earth is $10^4$.The diameter of the orbit $(D_o)$ is $2 	imes 149 	imes 10^6 \ km = 298 	imes 10^6 \ km = 2.98 	imes 10^8 \ km$.The order of magnitude of the diameter of the orbit is $10^8$.The difference in the order of magnitude is $8 - 4 = 4$.Therefore,the order of magnitude of the diameter of the orbit is greater than that of the Earth by $10^4$.

The radius of the Earth is $6371 \ km$ and the radius of its orbit around the Sun is $149 \times 10^6 \ km$. The order of magnitude of the diameter of the orbit is greater than that of the Earth by

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