101-must-see-cosmic-objects-the-trifid-nebulahttps://www.astronomy.com/observing/deep-sky-objects/page/8/Deep-Sky Objects | Page 8 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/2023/02/TrifidNebula.jpgInStockUSD1.001.00deep-sky-objectsobservingarticleASY2023-09-112022-09-30114284
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.