For the first time ever, scientists have successfully pieced together the complete 12-billion-year evolutionary timeline of a galaxy located beyond our own Milky Way, utilizing subtle chemical fingerprints. By meticulously analyzing the distribution of oxygen within the spiral galaxy NGC 1365 and cross-referencing these observations with advanced simulations, researchers were able to trace its entire developmental path. The groundbreaking findings reveal that the galaxy’s central core emerged early in its lifespan, while its outer regions progressively expanded and formed through a series of repeated galactic mergers. This innovative methodology represents a significant leap forward, poised to revolutionize how astronomers approach the study of galaxy evolution.
Astronomers Unravel 12-Billion-Year Galaxy History with Chemical Clues
By Rupert Blackwood
Investigative journalist based in Sheffield, focusing on technology's impact on society. Rupert specializes in cybercrime's effect on communities, from online fraud targeting elderly residents to cryptocurrency scams. His reporting examines social media manipulation, digital surveillance, and how criminal networks operate in cyberspace. With expertise in computer systems, he connects technical complexity with real-world consequences for ordinary people