What planet has one day is equal to 21 hours?

Anonymous

∙ 16y ago

Updated: 8/17/2019

A search of the planetary characteristics in the TIME Almanac 2009, pp.139-154, fails to find any planet in the solar system with such a rotational period. Although strong evidence for extra-solar planets has been observed, none of their rotational periods has been measured.

Wiki User

∙ 16y ago

What else can I help you with?

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