Episode Details

Astronomers have detected erythrulose—a sugar found in raspberries and tanning lotions—in the gas clouds between stars, marking a major leap in understanding how life’s building blocks form in space. Using radio telescopes in Spain, scientists identified this complex sugar near the Milky Way’s center, where even Voyager spacecraft have passed. While not directly essential for life, it can transform into key molecules vital for life’s origins. This discovery joins a growing list of cosmic chemicals, including sugars found in asteroid Bennu, hinting that the ingredients for life may have been present since our solar system’s infancy—and possibly scattered across the galaxy, seeding life elsewhere.

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