Are There Other Planets Like Earth?

Earth is unique in that it's the only planet we know of that can support life. But could there be another planet like ours somewhere far away?

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SOURCES:

https://www.nasa.gov/jpl/finding-another-earth
https://exoplanets.nasa.gov/the-search-for-life/habitable-zones/
https://www.washingtonpost.com/video/national/health-science/nasa-discovers-10-new-earth-like-planets/2017/06/20/e8e8e3ce-5510-11e7-840b-512026319da7_video.html?noredirect=on&utm_term=.d41340872a1b
https://www.nasa.gov/pdf/538085main_ESS4_EarthLikePlanets_C2.pdf
https://www.nasa.gov/press-release/nasa-kepler-mission-discovers-bigger-older-cousin-to-earth
https://www.popularmechanics.com/space/deep-space/news/a22522/nearest-planet-proxima-b/

Видео Are There Other Planets Like Earth? канала SciShow Kids