Astronomers Detected Erythrulose in Interstellar Space
The discovery of this sugar in a distant molecular cloud suggests complex organic molecules may be widespread.
Updated on Sept. 21, 2026 in Space
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Researchers have identified erythrulose, a complex sugar molecule containing 14 atoms, within the molecular cloud G+0.693-0.027. This discovery, made in September 2026, marks the detection of the largest non-cyclic molecule ever found in the interstellar medium.
Why it matters
Identifying such complex sugars in space informs our understanding of the chemical building blocks available during the formation of planetary systems. It provides a basis for assessing whether similar organic materials reached early Earth via meteorites.
The detection involves 17 distinct spectral lines for erythrulose, a 14-atom molecule containing four oxygen atoms. This find stands out among the 340 molecules identified in space to date as the largest non-cyclic structure recorded.
The players
Molecular Cloud G+0.693-0.027
A dense region of interstellar gas and dust located 27,000 light-years from Earth near the center of the Milky Way.
The details
Researchers utilized 40-meter and 30-meter radio telescopes located in Yebes and Pico Veleta, Spain, to isolate the molecule's unique spectral fingerprints. Models indicate that the sugar likely forms on the surface of icy cosmic dust particles through chemical reactions involving simpler precursor compounds. This process suggests that complex organic molecules can assemble in the harsh conditions of deep space before being incorporated into developing planetary systems.
Timeline
2000: Discovery of the organic compound glycolaldehyde.
4.1-3.9 billion years ago: Period of intense meteorite bombardment on early Earth.
September 2026: Detection of erythrulose in interstellar space.
The Tech Race
The discovery of erythrulose follows the precedent set by the 2000 discovery of the organic compound glycolaldehyde by expanding the known inventory of complex sugars in deep space. It extends the search for pre-biotic chemistry that characterizes modern astrochemical research programs.
This finding provides data for scientists modeling the chemical history of the early solar system. It does not currently alter existing commercial technologies or consumer workflows.
The takeaway
This detection highlights the prevalence of complex organic chemistry in the interstellar medium, suggesting that planetary systems may begin with a significant chemical head start. Researchers are now looking for even larger molecular structures to determine the upper limits of space-based chemical synthesis.
Further reading
For more on how astronomers map the chemical composition of the galaxy, visit the Space section.
Source note: This article includes information reported by NEWS.am TECH - Innovations and science.
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