RESEARCH ☄️ Comet 3I/ATLAS, only the third interstellar object ever seen, may be older than the Sun. An international team measured its carbon and nitrogen isotopes with ESO's Very Large Telescope, revealing a chemistry that points to an ancient, low-metallicity star. 👉 https://www.sciences.uliege.be/cms/c_13694254/en/the-interstellar-comet-3i/atlas-is-older-than-our-sun @esoastronomy@mastodon.social @nature@sciencemastodon.com