Birdwatch Note Rating
2023-06-22 04:47:04 UTC - HELPFUL
Rated by Participant: 9C053B9C35CB5435320126E54A7C149DEC1AC8777447A33F2A439F00E7A1D01D
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Original Note:
The caps at both poles of Mars consist primarily of water ice. However, frozen carbon dioxide ("dry ice") accumulates as a comparatively thin layer about one metre thick on the north cap in the northern winter, while the south cap has a permanent dry ice cover about 8 m thick. https://en.m.wikipedia.org/wiki/Martian_polar_ice_caps
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