One of the planets that orbits around Proxima Centauri, the closest star to our sun, had been thought to exist within what astronomers call the habitable zone.
원문출처 : https://www.cnn.com/2020/12/09/world/proxima-centauri-exoplanet-habitability-scn/index.html
원문출처 : https://www.cnn.com/2020/12/09/world/proxima-centauri-exoplanet-habitability-scn/index.html