保护地球，探索宇宙，发现文明
2023年6月7日 M94: A Double Ring Galaxy Image Credit & Copyright: Brian Brennan Explanation: Most galaxies don’t have any rings of stars and gas — why does M94 have two? First, spiral galaxy M94 has an inner ring of newly formed stars surrounding its nucleus, giving it not only an unusual appearance but also a strong interior glow. A leading ori...
2022年7月31日 Starburst Galaxy M94 from Hubble Image Credit: ESA/Hubble & NASA Explanation: Why does this galaxy have a ring of bright blue stars? Beautiful island universe Messier 94 lies a mere 15 million light-years distant in the northern constellation of the Hunting Dogs (Canes Venatici). A popular target for Earth-based astronomers, the face-on spira...
2019 December 1 Starburst Galaxy M94 from Hubble Image Credit & Copyright: ESA/Hubble & NASA Explanation: Why does this galaxy have a ring of bright blue stars? Beautiful island universe Messier 94 lies a mere 15 million light-years distant in the northern constellation of the Hunting Dogs (Canes Venatici). A popular target for Earth-based astronom...