Superfluid in Neutron Star's Core (NASA, Chandra, Hubble, 02/23/11)
Credit: X-ray: NASA/CXC/xx; Optical: NASA/STScI; Illustration: NASA/CXC/M.Weiss
https://www.flickr.com/photos/nasamarshall/5474156466/in/photostream/ (CC BY-NC 2.0)

Superfluid in Neutron Star's Core (NASA, Chandra, Hubble, 02/23/11)
Credit: X-ray: NASA/CXC/xx; Optical: NASA/STScI; Illustration: NASA/CXC/M.Weiss
https://www.flickr.com/photos/nasamarshall/5474156466/in/photostream/ (CC BY-NC 2.0)