Astronomers have detected the sugar molecule erythrulose in a gas and dust cloud near the centre of the Milky Way [1].
This discovery is significant because it suggests that complex organic molecules existed in interstellar space before the formation of Earth [2]. By identifying these compounds in deep space, scientists can better understand the chemical precursors that may have led to the development of life [2].
The molecule was found in a cloud located about 26,700 light-years from Earth [3]. This region, situated toward the galactic centre, serves as a laboratory for scientists studying the composition of the universe. The detection of a true sugar molecule marks a milestone in astrochemistry, a field that examines the distribution and abundance of molecules in space.
To identify the erythrulose, researchers utilized specialized equipment including the 40-meter Yebes telescope and the 30-meter IRAM telescope [4]. These radio telescopes allow scientists to detect the unique spectral signatures of molecules across vast distances. The presence of such a complex molecule in a harsh interstellar environment indicates that the chemistry required for life is more widespread than previously thought [2].
Scientists said the finding helps bridge the gap between simple interstellar chemistry and the complex biology found on Earth. The discovery suggests that the building blocks of life are not unique to our solar system but are instead common components of the galactic medium [2].
“Astronomers have detected the sugar molecule erythrulose in a gas and dust cloud”
The detection of erythrulose suggests that the chemical foundations for life are inherent to the galaxy's evolution rather than a localized fluke of Earth's history. Because these organic compounds exist in the interstellar medium, it increases the likelihood that similar prebiotic chemistry occurred on other planets during their formation.
