3D Structure Of Iconic Ring Nebula Gives ‘A Brand New View Of An Old Astronomical Friend’.
One of the most photographed objects in the night sky is the Ring Nebula, wreckage of a bygone sun-like star about 2,000 light-years from Earth. Its striking, smoke-ring-like appearance has both awed and puzzled astronomers, who have long debated whether this remnant truly takes on a ring shape or if its appearance is merely an …