Gerard K. O'Neill - The High Frontier 5/5
7:37
Added: 6 months ago
From: TMBountyHunter
Views: 186
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  • He suggests that private enterprises will do it but I'm skeptic since private enterprises want immediate returns and therefore they will stop to low orbit activities like space tourism.

    JulianGardna 3 weeks ago

  • Let's Go!

    JasonDamisch 3 months ago

  • first

    

    sulthos 5 months ago

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