M83 Spiral Galaxy BackpackEvery adventure needs supplies, and a backpack featuring a real astronomy image is the perfect way to bring space with you everywhere you go! The vibrant, all over print with black adjustable straps and padded mesh back are an ideal balance of style and function. This spiral galaxy is M83, also known as the Southern Pinwheel or the Thousand Ruby Galaxy, as imaged by the Hubble Space Telescope. This composite image was made with over 20 hours of