00:00You need to watch this if you're curious about alien megastructures.
00:03Seven stars in our very own galaxy might be encircled by advanced alien technology, Dyson spheres.
00:09These hypothetical megastructures, first dreamed up by theoretical physicist Freeman Dyson in 1960,
00:15are the ultimate energy-harnessing machines.
00:17Imagine a colossal sphere wrapping around a star,
00:20gobbling up its energy to power an ultra-advanced civilization.
00:24Now, while we can't say for sure if E.T. is hanging out behind these stars,
00:28the Infrared Excess Emissions, or IEEs, coming from them have scientists buzzing.
00:33These IEEs could be the telltale signs of a Dyson sphere heating up and shining in infrared wavelengths.
00:38So, why the big deal?
00:40Well, spotting these technosignatures, along with weird radio signals and artificial light,
00:45is like finding breadcrumbs leading us to intelligent extraterrestrial life.
00:49The hunt is on, and who knows, we might just be one step closer to answering the age-old question.
00:54Are we alone in the universe?
00:56Stay curious, keep looking up, and don't forget to like and subscribe for more cosmic wonders.
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