explore-11-spring-binocular-gemshttps://www.astronomy.com/observing/deep-sky-objects/page/37/Deep-Sky Objects | Page 37 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/NGC2403.jpgInStockUSD1.001.00deep-sky-objectsgalaxiesstarsarticleASY2023-05-182014-01-2739271
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.