Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2017 August 7 Explanation: Most galaxies don't have any rings -- why does this galaxy have two? To begin, the bright band near NGC 1512's center is a nuclear ring, a ring that surrounds the galaxy ce
![APOD: 2017 August 7 - Spiral Galaxy NGC 1512: The Inner Ring](https://cdn-ak-scissors.b.st-hatena.com/image/square/ec14230c2afef29a968654a2408537b8fd2f475a/height=288;version=1;width=512/https%3A%2F%2Fapod.nasa.gov%2Fapod%2Fimage%2F1708%2FNGC1512inner_Hubble_960.jpg)