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"the installation of telescopes is possible at only three sites" The far side of the Moon is bigger than Russia. I have my doubts about such a categorical clai

• ajmurmann 3y ago
  The issue might be landing anywhere near it to construct the telescope. We are probably pretty far away from landing on the near side of the moon and then building roads or train tracks to the far side and creating a flat area.
  • LeifCarrotson 3y ago
    When in orbit around the moon, you have complete freedom to choose the landing site. If you're worried about communication, a relay satellite is way cheaper and easier than cables or roads. There's no need to build roads or tracks from the near side to the far side.
    • ajmurmann 3y ago
      Don't you need a large flat area to land safely?
      • ben_w 3y ago
        In principle, no; in practice, a few recent attempts to land on a mild slope have immediately fallen over, so we clearly need some practice.
• Supermancho 3y ago
  Maybe a telescope has to rise above the harsh and damaging lunar dust. After construction of anything on the moon, I'm concerned about the 20 micron, glass-like, dust. Lunar dust is not weathered, like Earth dust. Once you are out of the lunar "atmosphere", the dust remains in low orbit for a long time. Just put the telescope in space. It's a lot easier, despite the difficulty.
• troyvit 3y ago
  Have at it: https://cseligman.com/text/moons/moonfar.htm https://cseligman.com/text/moons/moonfar.htm