Scientists Discover Oxygen in Distant Galaxy, Revolutionizing Cosmic Understanding

INIndia|

Astronomers discovered traces of oxygen in the galaxy JADES-GS-z14-0, located 13.4 billion light years from Earth, according to research conducted using the ALMA radio telescope. This finding, announced on March 21, 2025, contradicts prior scientific expectations and suggests that the galaxy contains ten times more heavy elements than initially predicted for its age.

Identified by the James Webb Space Telescope in 2023, JADES-GS-z14-0 existed merely 300 million years after the Big Bang during the "Cosmic Dawn" era, a formative period in the universe's timeline. Sander Schouws of Leiden Observatory remarked that this discovery is akin to finding a teenager among expected newborns, indicating rapid star formation and evolution contradicted existing theories about early galaxies.

Italian astrophysicist Stefano Carniani called the discovery "incredible," emphasizing the need for updated models regarding galaxy formation. These revelations contribute to a growing body of evidence suggesting that early galaxies were more advanced than previously thought, prompting a reevaluation of the timeline for cosmic evolution.

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