... Star Atlas . ... stars . ... Twenty years later, observations of SN 1987A are still changing astronomers' knowledge of the death of stars. ... This Hubble telescope image shows the supernovaт??s triple-ring system, including the bright spots along the inner ring of gas surrounding the exploded star. ... The glowing ring is expected to become bright enough to illuminate the star's surroundings, which will provide astronomers with new information on how the star ejected material before the explosion. ...