I agree that there is no necessity to maintain the tradition of naming planets after deities. Perhaps we should use any resonant word from a tongue on the verge of extinction (an equivalent of "ghostly", "brothers", "jewel", "dancer" etc.) so that at least one word from that language is immortalized.

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Yonder is Dubhe seen on Earth tonight as it was in the days of Grover Cleveland's presidency whereas this way is Deneb seen as it was in the lifetime of Muhammed . If one somehow travelled to Deneb at very close to c then whenever you looked back you'd measure Earth as closer to you than the distance you would simultaneously measure between Earth and Dubhe.