Colorful Cosmic 'Flower' Blooms in Gorgeous NASA Valentine (Photo)
Friday, February 13, 2015 - 08:02
in Astronomy & Space
An image captured by NASA's Chandra X-ray Observatory shows a supernova remnant called G299.2-2.9, which lies 16,000 light-years from Earth. The object's many different colors represent different wavelengths of X-ray light.