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Science in Mind

Moons may have ‘edge’ for sustaining life

The search for life beyond our solar system tends to focus on finding familiar ground — a rocky, Earth-like world that sits in its star’s habitable sweet spot, where water is liquid and life could thrive.

But as the hunt for habitable worlds has gotten closer to successfully detecting planets that are the right size and distance from their stars to meet that criteria, some scientists have begun looking elsewhere: to those planet’s moons.

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