3 分钟
September 20, 2019: Mars Underground Exposed HiRISE: The BeautifulMars Podcast (Video)
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The most habitable places on Mars now and in the past are underground, where water is or was much more stable than at the surface. (Narration: Tre Gibbs)
The most habitable places on Mars now and in the past are underground, where water is or was much more stable than at the surface. (Narration: Tre Gibbs)
3 分钟