Astronomers Detected Sugar in Deep Space Cloud
Researchers identified the molecule erythrulose within a massive molecular cloud located 27,000 light-years away.
Updated on Sept. 21, 2026 in Space
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Scientists have detected erythrulose, a complex sugar, in the interstellar cloud G+0.693-0.027 using radio telescopes in Spain. This discovery marks the largest non-cyclic molecule ever found in the interstellar medium.
Why it matters
The finding provides insight into the chemical precursors of life, as researchers estimate that millions of tons of such molecules could have reached early Earth via meteorites.
Researchers identified 17 distinct spectral lines corresponding to the 14-atom molecule erythrulose. This sugar, containing four oxygen atoms, is the largest non-cyclic molecule found among the 340 currently identified in interstellar space.
The players
G+0.693-0.027
This is a massive molecular cloud located near the center of the Milky Way galaxy.
The details
Astronomers utilized 30-meter and 40-meter radio telescopes in Spain to observe the molecular cloud, where models suggest the sugar forms on icy cosmic dust particles. This detection follows the discovery of glycolaldehyde in 2000, further expanding our understanding of organic matter in space.
Timeline
The discovery of glycolaldehyde occurred in 2000.
Early Earth experienced intense meteorite bombardment 4.1-3.9 billion years ago.
The detection of erythrulose took place in September 2026.
The Big Picture
This finding marks a major shift in astrochemistry by confirming that highly complex non-cyclic sugars exist in deep space. It effectively bridges the gap between simple organic compounds and the complex building blocks necessary for life as we understand it.
The identification of complex sugars in space informs theories on the origin of life and the abundance of organic material throughout the universe. While these findings do not change daily life, they provide the empirical foundation for future studies on the chemical potential of other star systems.
The takeaway
The discovery of erythrulose highlights the complexity of chemical reactions occurring in the vacuum of space. It suggests that the essential components for life are widely distributed across the galaxy rather than being limited to planetary surfaces.
Further reading
Learn more about the latest cosmic discoveries in Space.
Source note: This article includes information reported by NEWS.am TECH - Innovations and science.
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