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Astronomers have made a startling discovery within the icy heart of comet 3I/ATLAS، finding an unprecedented amount of "heavy water." This finding suggests the comet formed under conditions vastly different from those observed in our own solar system.

A Comet's Enigma

Discovered just a year ago، 3I/ATLAS was identified as the third interstellar object to enter our solar system. Researchers from the University of Michigan analyzed the gas surrounding the comet and detected an unusually high concentration of deuterium، a heavier isotope of hydrogen.

While ordinary water is composed of two hydrogen atoms and one oxygen atom، "heavy water" contains deuterium instead of regular hydrogen. Deuterium has a neutron in addition to its proton.

Expert Insights

The scientific team determined that the ratio of deuterium to regular hydrogen in comet 3I/ATLAS is approximately 30 times higher than in comets originating within our solar system، and about 40 times higher than in Earth's ocean water.

"The ratio of deuterium to normal hydrogen in the water turned out to be at a level we have never seen before in other planetary systems or comets،" stated Luis Salazar Manzano، the lead author of the study.

Significance of the Discovery

According to the scientists، the elevated deuterium levels indicate that the comet likely formed in an extremely cold region with minimal stellar radiation. This discovery provides compelling evidence that the conditions under which planetary systems form throughout the galaxy are not uniform.

"This is proof that the conditions that led to the formation of our solar system are not the same everywhere in the galaxy،" commented Teresa Paneque-Carreño، a researcher involved in the study.

The research utilized data from the MDM Observatory in Arizona and the ALMA radio telescope complex in Chile. The ALMA instruments enabled the first direct measurement of heavy water quantities in an extraterrestrial object.

Future advancements in telescope technology are expected to facilitate more such discoveries، allowing for comparisons of planetary system formation conditions across different regions of the galaxy.

This was reported by the Infohub.kz information agency.