The Euclid space telescope has discovered a rare 'Einstein ring' of light encircling a nearby galaxy, located 590 million light-years away. This unexpected finding, reported in Astronomy and Astrophysics, highlights the telescope's capabilities. The ring results from gravitational lensing by a more distant galaxy, over 4.4 billion light-years away. The discovery emphasizes the scientific value of such rare phenomena. Teljes cikk (Euronews.com)