Sources:

aanda.org
https://www.aanda.org/articles/aa/full_html/2016/12/aa29576-16/aa29576-16.html

breakthroughintiatives.com
https://breakthroughinitiatives.org/news/4

earthsky.org
https://earthsky.org/astronomy-essentials/proxima-centauri-our-suns-nearest-neighbor/
https://earthsky.org/space/alpha-centauri-rocky-exoplanet-computer-model/

futurism.com
https://futurism.com/one-of-earths-closest-alien-planets-appears-to-be-an-ocean-world

hubbesite.org
https://hubblesite.org/contents/media/images/2013/43/3250-Image.html?newstrue

ice.csic.es
https://www.ice.csic.es/personal/iribas/Proxima_b/index.html

web.cfa.harvard.edu
https://lweb.cfa.harvard.edu/loeb/Loeb_Starshot.pdf

space.com
https://www.space.com/18090-alpha-centauri-nearest-star-system.html

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