101-must-see-cosmic-objects-m46-and-ngc-2438https://www.astronomy.com/observing/deep-sky-objects/page/5/Deep-Sky Objects | Page 5 of 47 | 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/M46NGC2438.jpg?fit=600%2C430InStockUSD1.001.00deep-sky-objectsarticleASY2023-09-112022-10-28113875
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.