APOD: 2025 November 2 Б A Horseshoe Einstein Ring from Hubble
2.11.2025 | Астрономическая картинка дня

What's large and blue and can wrap itself around an entire galaxy? A gravitational lens mirage. Pictured here, the gravity of a massive elliptical galaxy (luminous red galaxy: LRG) has gravitationally distorted the light from a much more distant blue galaxy.