In 2025, astronomers discovered 3I/ATLAS, only the third confirmed interstellar object. 1 year later, its The Economic TimesAn Interstellar Comet’s Coma Composition AAS NovaA comet that drifted between the stars for millions or even billions of years before entering our Solar System carries water with roughly 30 times more heavy hydrogen than a typical comet here, suggesting its ice formed in an extraordinarily cold alien planetary Space DailyA comet from another star system arrived in our solar system in July 2025 carrying water ice from a planetary system that formed billions of years before our Sun — the oldest water ever observed passing through our neighbourhood ScienceBlog.com
In 2025, astronomers discovered 3I/ATLAS, only the third confirmed interstellar object. 1 year later, its The Economic TimesAn Interstellar Comet’s Coma Composition AAS NovaA comet that drifted between the stars for millions or even billions of years before entering our Solar System carries water with roughly 30 times more heavy hydrogen than a typical comet here, suggesting its ice formed in an extraordinarily cold alien planetary Space DailyA comet from another star system arrived in our solar system in July 2025 carrying water ice from a planetary system that formed billions of years before our Sun — the oldest water ever observed passing through our neighbourhood ScienceBlog.com
