NASA’s 5 Best Images of Nebulae, Protostars, the Surface of Mercury and More | See Photos
NASA images:Our planet Earth is part of a giant solar system, located in a gigantic galaxy called the Milky Way. Our home galaxy is a large spiral galaxy with a stellar disk spanning over 100,000 light years. Surprisingly, ours is not alone, as space contains numerous galaxies that host thousands of planets and stars. Space … Read more