blasts-from-the-pasthttps://www.astronomy.com/observing/deep-sky-objects/page/4/Deep-Sky Objects | Page 4 of 48 | 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/2023/05/ASY-SR0522_05.jpegInStockUSD1.001.00deep-sky-objectsarticleASY2023-06-162023-06-13128629
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.