00:00What if the perfect planet for alien life was hiding just 20 light-years from Earth?
00:04Scientists may have just found it.
00:06Meet GJ 251c, a super-Earth four times the size of our planet.
00:11And it's sitting in the Goldilocks zone, where temperatures could allow liquid water.
00:16Which means it could support life.
00:18Researchers discovered this alien world after digging through 20 years of data.
00:23They spotted a strange wobble in a nearby star.
00:26This tiny shake revealed the presence of a massive planet orbiting every 54 days.
00:31Now here's the exciting part.
00:33It's one of the best candidates we've ever found for detecting signs of life.
00:37While we don't yet know if it has an atmosphere,
00:40new megatelescopes could reveal that within the next decade.
00:43If GJ 251c has the right atmosphere,
00:46we could spot alien biosignatures without ever leaving Earth.
00:50The search for life beyond our planet just got a major boost.
00:54And the answer might be closer than we think.
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