• DavidLondon's Avatar
    2020-Oct-13, 08:23 PM
    Project Artemis: UK signs up to Nasa's Moon exploration principles https://www.bbc.co.uk/news/science-environment-54530361 America, which...
    59 replies | 1033 view(s)
  • DavidLondon's Avatar
    2020-Oct-12, 08:49 PM
    This sounds increasingly like a substantial ongoing presence on the moon over the next 20 years. Important milestones for the long term...
    90 replies | 9941 view(s)
  • DavidLondon's Avatar
    2020-Oct-11, 09:00 PM
    Apols but my list of Asterank top 5 by delta-v omitted number 5. It is: - Didymos. Type Xk. Apollo and Amor. PHA. . NASAís DART Mission is...
    187 replies | 27582 view(s)
  • DavidLondon's Avatar
    2020-Oct-11, 08:06 PM
    It is annoying trying to get hard evidence. Building a robust evidence base for estimating costs and benefits, including risks and assumptions, for...
    187 replies | 27582 view(s)
  • DavidLondon's Avatar
    2020-Oct-10, 04:42 PM
    The delta-vís impact on fuel needed does seem to be a key driver of space costs generally, with the lower gravity of asteroids making them more...
    187 replies | 27582 view(s)
  • DavidLondon's Avatar
    2020-Oct-10, 09:42 AM
    Zubrin is pretty bullish about it in his ‘asteroids for fun and profit’ chapter in the Case For Space. He quotes a book by Prof Lewis (Uni of...
    187 replies | 27582 view(s)
  • DavidLondon's Avatar
    2020-Oct-10, 09:17 AM
    Good point. There will be a number er of challenges like this which need to be considered. Roger E Mooreís post above #158 provides more detail....
    187 replies | 27582 view(s)
  • DavidLondon's Avatar
    2020-Oct-08, 08:57 PM
    The emerging commercial opportunities for investment in geocentric space - reusable rockets, satellites, space tourism, science labs etc - have built...
    187 replies | 27582 view(s)
  • DavidLondon's Avatar
    2020-Oct-06, 09:30 PM
    Thanks 7cscb. Some really interesting ideas for me to follow up. Thanks. Thought I would focus on for me the most interesting point (below)...
    187 replies | 27582 view(s)
  • DavidLondon's Avatar
    2020-Oct-05, 07:23 PM
    Thanks noclevername. I think youíre right. An isolated business case for say bringing 100 tonnes of refined platinum/cobolt mix back to earth using...
    187 replies | 27582 view(s)
  • DavidLondon's Avatar
    2020-Oct-03, 01:39 PM
    Iíve just joined Cosmoquest and have found reading this thread fascinating. The wealth of fascinating papers posted by Roger E Moore highlight...
    187 replies | 27582 view(s)
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