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Q&A Under the following conditions, would any technological civilisation build a chemical rocket, and if so, how?

I have a captured planet/moon orbiting HD 37124 c, known as HD 37124 c m XVIII, and I was wondering: since the moon has 1.7 Earth masses, 1.1 Earth radii, a density of 7.038 g/cm^3 and a gravitatio...

4 answers  ·  posted 8y ago by Future Historian‭  ·  last activity 8y ago by Future Historian‭

Question astronomy reality-check planets technology aliens