101-must-see-cosmic-objects-the-bubble-nebulahttps://www.astronomy.com/observing/deep-sky-objects/page/9/Deep-Sky Objects | Page 9 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/wp-content/uploads/sites/2/2023/03/62BubbleNebula_1.jpg?fit=600%2C436InStockUSD1.001.00deep-sky-objectsobservingarticleASY2023-09-082022-07-18115053
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.