the-tumultuous-heart-of-our-galaxyhttps://www.astronomy.com/observing/deep-sky-objects/page/26/Deep-Sky Objects | Page 26 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/Xray_view_of_the_galactic_center.jpgInStockUSD1.001.00deep-sky-objectsmilky-waystarsarticleASY2023-05-182015-08-2438778
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.