Rujukan Penjajahan angkasa lepas

  1. ↑ For example, The Space Show, an online radio program, has had on average 16 shows per month going back to 2001, many of which discuss space settlement.
  2. ↑ Dickens, Peter; Ormrod, James (Nov 2010). The Humanization of the Cosmos - to What End?. Monthly Review.
  3. ↑ Dickens, Peter (Feb 2008). Who Really Won the Space Race?, Monthly Review
  4. ↑ Dickens, Peter (March 2017). Astronauts at Work: The Social Relations of Space Travel, Monthly Review
  5. ↑ Britt, Robert Roy (8 October 2001). "Stephen Hawking: Humanity Must Colonize Space to Survive". space.com. Diarkib daripada yang asal pada 25 November 2010. Dicapai pada 2006-07-28. Parameter |dead-url= yang tidak diketahui diendahkan (bantuan).
  6. ↑ "Elon Musk on SpaceX's Reusable Rocket Plans". 7 February 2012.
  7. ↑ Anthony, Sebastian (2014-06-16). "Space giants join forces to battle SpaceX: This is how cheap space travel begins". NASAspaceflight.com. Dicapai pada 2014-10-10.

Rujukan

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