Citations for The Next Giant Leap

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  1. Background reading on the Kardashev Scale. https://en.wikipedia.org/wiki/Kardashev_scale
     
  2. Background reading on the extensions to the original Kardashev Scale. https://en.wikipedia.org/wiki/Kardashev_scale#Extensions_to_the_original_scale
     
    Barrow, John (1998). Impossibility: Limits of Science and the Science of Limits. Oxford: Oxford University Press. p. 133. ISBN 978-0198518907.
     
  3. Background reading on the extensions to the original Kardashev Scale. https://en.wikipedia.org/wiki/Kardashev_scale#Extensions_to_the_original_scale
     
    Barrow, John (1998). Impossibility: Limits of Science and the Science of Limits. Oxford: Oxford University Press. p. 133. ISBN 978-0198518907.
     
  4. Background reading on Maslow’s Hierarchy of Needs. https://www.simplypsychology.org/maslow.html
     
  5. Space.com. “How many stars are in the Milky Way?” E. Howell. 30 March, 2018. https://www.space.com/25959-how-many-stars-are-in-the-milky-way.html
     
  6. NASA. “Hubble Reveals Observable Universe Contains 10 Times More Galaxies Than Previously Thought.” 13 October, 2016. https://www.nasa.gov/feature/goddard/2016/hubble-reveals-observable-universe-contains-10-times-more-galaxies-than-previously-thought
     
  7. Space.com. “How Many Stars Are In the Universe?” E. Howell. 18 May, 2017. https://www.space.com/26078-how-many-stars-are-there.html