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Sweet Discovery: Sugar Molecule Found in Milky Way
13 Jul
Summary
- Scientists detected sugar in interstellar space for the first time.
- This sugar molecule could be a precursor to life on Earth.
- Researchers found erythrulose, a sugar also found in raspberries.

Scientists have made a landmark discovery, detecting a sugar molecule in interstellar space for the very first time. This finding provides crucial clues about the origins of sugar on Earth and potentially the emergence of life itself.
The molecule, identified as erythrulose, was found using radio telescopes to analyze emissions from the interstellar medium near the Milky Way's center. Erythrulose, a sugar composed of four carbon, eight hydrogen, and four oxygen atoms, is also present in raspberries on Earth.
This detection confirms that sugars can form through chemical reactions in space, independent of life, and even predating the formation of stars and planets. Researchers estimate that between 0.5 to 50 million tons of this sugar might have been delivered to early Earth.
The discovery opens new avenues for research, with scientists eager to search for larger sugars essential for DNA and RNA. It also bolsters the possibility of life arising elsewhere in the galaxy.