LMC - N49, or, Supernova remnant .
N 49 , or, Stellar shrapnel, is the brightest supernova remnant in the Large Magellanic Cloud, approximately 160,000 light - years from Earth. It has been assessed to be roughly 50,000 years old. The latest pictures of N 49 by the Chandra X - Ray Observatory have revealed a bullet - shaped object traveling at about 5 million miles an hour away from a bright X - ray and gamma - ray point source, probably a neutron star with an extremely powerful magnetic field, known as a soft gamma repeater particularly strong from LMC N49 was detected on March 17. 2014