Hello umbrellacore444, and welcome to the forum. Please take a moment to read the forum rules.
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I've discovered a nice solar system
When you post about an interesting world/system/object in SE that you want to share, you should post its location code as well.
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the ocean is 'red' in colour
Many worlds in SpaceEngine have red oceans. Oceans may be green and blue as well.
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The atmospheric pressure is just below 0.2 (20%) of Earths pressure - wouldnt water 'boil' off because the lack of pressure ?
No, 0.2 atm is quite enough to support liquid water, though it would boil at a lower temperature than it does on Earth. Water can be liquid at pressures as low as 0.006 atm, though at very low pressures it is liquid only at a very low range of temperatures near the freezing point, and would probably suffer from accelerated evaporation.
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