人気ポスト
🆕 This NASA/ESA/CSA #Webb image shows the 'gravitational lensing' of the quasar known as RX J1131-1231 (the foreground galaxy 'smears' the image of the quasar behind it into a bright arc and creates four images of the object). https://t.co/fpnqwc4Zeu
メニューを開く