Globular clusters are densely packed, spherical collections of several hundred thousand stars. They are among the oldest known objects in the Universe and are relics of the first epochs of galaxy formation. A stunning new image from the NASA/ESA Hubble Space Telescope shows one of these objects, NGC 1866. This Hubble image shows NGC 1866, a massive globular cluster located in the constellation Dorado, some 160,000 light-years away. The image was made...
