Could Dyson spheres exist in our galaxy?
A Dyson sphere is a hypothetical giant structure that surrounds a star and can capture its solar output. Two separate groups of astronomers have claimed that they have detected dozens of possible Dyson spheres within the Milky Way galaxy. NBC’s Gadi Schwartz speaks with Dr. Michio Kaku about what it would take to create a Dyson sphere and how advanced a civilization would need to be to make it happen. » Subscribe to NBC News: https://www.youtube.com/user/NBCNews NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and engaging news stories. NBC News Digital features NBCNews.com, MSNBC.com, TODAY.com, Nightly News, Meet the Press, Dateline, and the existing apps and digital extensions of these respective properties. We deliver the best in breaking news, live video coverage, original journalism and segments from your favorite NBC News Shows. Connect with NBC News Online! Breaking News Alerts: https://link.nbcnews.com/join/5cj/breaking-news-signup?cid=sm_npd_nn_yt_bn-clip_190621 Visit NBCNews.Com: https://www.nbcnews.com/ Find NBC News on Facebook: https://www.facebook.com/NBCNews Follow NBC News on Twitter: https://twitter.com/NBCNews Get more of NBC News delivered to your inbox: nbcnews.com/newsletters #dysonsphere #galaxy #nbcnewsnow Credit to : NBC News
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