Happy Birthday, Chandra X-Ray Observatory

Four new images of supernova remnants celebrate the telescope's 15 years of awesome discoveries G292.0+1.8 G292.0+1.8 lacks a catchy name, but it's one of only three known oxygen-rich supernova remnants (SNRs) in the Milky Way galaxy. This image shows the dance of elements in G292-point-yadda's debris cloud, including oxygen in yellow and orange, magnesium in green, and silicon and sulfur in blue. Astrophysicists believe that SNRs containing abundant oxygen are fundamental sources of heavy eleme...