Deep in the constellation Centaurus lies a place colder than the cosmic microwave background itself—a realm so frigid it defies the very fabric of thermodynamics.

This is the Boomerang Nebula, the coldest known object in the universe, where temperatures plunge to just 1 Kelvin above absolute zero. But how can a dying star create such a cosmic freezer? From rapid gas expansion to mysterious magnetic forces, this episode unravels the secrets behind Nebula’s bone-chilling phenomenon.

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