NGC 3717：几乎侧向的旋涡星系
2019 November 12 NGC 3717: A Nearly Sideways Spiral Galaxy Image Credit: ESA/Hubble & NASA, Processing: D. Rosario Explanation: Some spiral galaxies are seen nearly sideways. Most bright stars in spiral galaxies swirl around the center in a disk, and seen from the side, this disk can be appear quite thin. Some spiral galaxies appear even thinner than NG...