web-extra-astronomers-animate-one-of-the-largest-galaxy-clusters-ever-observedhttps://www.astronomy.com/observing/deep-sky-objects/page/31/Deep-Sky Objects | Page 31 of 49 | Astronomy.comDeep-sky objects are celestial objects that exist outside our solar system. Three major types of deep-sky objects are nebulae, star clusters, and galaxies.https://www.astronomy.com/uploads/2021/09/Phoenix_still.jpgInStockUSD1.001.00deep-sky-objectsstarsarticleASY2023-05-182014-12-2938520
Deep-sky objects are celestial objects that exist outside our solar system. Three major types of deep-sky objects are nebulae, star clusters, and galaxies.