Planet Four Talk

Question: What are the bright/ blue fans?

  • Portyankina by Portyankina scientist

    Answer: These blue fans are fresh CO2 crystals that are either 1) got exposed while dark dust sinks through CO2 ice layer or 2) recently condensed on top of dust. We still do not know which one is the right answer. you can see more on this in our blog here: http://blog.planetfour.org

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