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Q&A Is this 80.000km-diameter world plausible?

Characteristics: has close to 80.000km in diameter The atmosphere is composed of: -30% hydrogen (cold gas planets have hydrogen but it makes sense it exists in a rocky planet?) -20% oxygen -...

4 answers  ·  posted 10y ago by ballah‭  ·  last activity 9y ago by ballah‭

Question environment climate reality-check simulated-worlds