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The Most Earth-Like Planet Ever Found... Is a Nightmare.
What if we found a planet that was almost identical to Earth—only to realize it was a cosmic death trap? Welcome to the series premiere of Goldielocks Worlds, where we look past the headlines to find the truth about the universe's most deceptive planets.

In 2015, Kepler-438b made history. With an Earth Similarity Index of 0.88, it was hailed as the most habitable exoplanet ever discovered. It’s rocky, it’s 1.1 times the size of Earth, and it sits perfectly in the "Goldilocks Zone" where liquid water can exist.

But there’s a catch. Its star, Kepler-438, isn’t like our Sun. It’s a temperamental Red Dwarf that unleashes super-flares—bursts of radiation 10 times more powerful than anything our Sun has ever produced.

In this episode, we dive into:
0:09 The Promise: Why scientists originally thought this was "Earth 2.0."
0:55 The Killer Star: The reality of super-flares and coronal mass ejections.
1:17 Atmospheric Stripping: How a beautiful world becomes a barren, irradiated rock.
1:27 The Lesson: Why the "Habitable Zone" is only half the story.