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2023年9月14日 NGC 7331 and Beyond Image Credit & Copyright: Ian Gorenstein Explanation: Big, beautiful spiral galaxy NGC 7331 is often touted as an analog to our own Milky Way. About 50 million light-years distant in the northern constellation Pegasus, NGC 7331 was recognized early on as a spiral
2022年4月14日 Messier 96 Image Credit & Copyright: Mark Hanson and Mike Selby Explanation: Spiral arms seem to swirl around the core of Messier 96 in this colorful, detailed portrait of a beautiful island universe. Of course M96 is a spiral galaxy, and counting the faint arms extending beyond the
