Comments on: Future astronauts could use methane to make rocket fuel on Mars https://lifeboat.com/blog/2021/01/future-astronauts-could-use-methane-to-make-rocket-fuel-on-mars Safeguarding Humanity Fri, 08 Jan 2021 23:23:04 +0000 hourly 1 https://wordpress.org/?v=6.6.2