Explore the galaxy with Stellarium, a free, open source planetarium allowing you to see a realistic, 3D sky from Windows, Mac, and Linux devices. Stellarium features more than 600,000 stars along with planets and satellites, along with powerful interactive zoom, time control functionality, both fisheye and spheric mirror projection, keyboard control, panorama projection, and both eclipse and supernova simulations. Not only can you view the universe, but you can also customize it with your own deep sky objects, landscapes, constellation images, and more. You can also take screenshots so you can use the gorgeous images for your desktop or save them to share with others.