three-little-planetarieshttps://www.astronomy.com/observing/deep-sky-objects/page/38/Deep-Sky Objects | Page 38 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/NGC2346.jpgInStockUSD1.001.00deep-sky-objectsarticleASY2023-05-182013-12-3046159
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.