Hubble sees a celestial swan and butterfly
Tuesday, June 5, 2012 - 07:00
in Astronomy & Space
(Phys.org) -- This image from the Hubble Space Telescope shows planetary nebula NGC 7026. Located just beyond the tip of the tail of the constellation of Cygnus (The Swan), this butterfly-shaped cloud of glowing gas and dust is the wreckage of a star similar to the sun.