... N49 s Cosmic Blast . ... NASA Explanation: Scattered debris from a cosmic supernova explosion lights up the sky in this gorgeous composited image based on data from the Hubble Space Telescope. ... The source of the "March 5th Event" is now attributed to a magnetar - a highly magnetized, spinning neutron star also born in the ancient stellar explosion which created supernova remnant N49. ... March . ... Publications with keywords: N 49 - magnetar - supernova remnant - soft gamma repeater . ...