Articles from September 2021


Hidden in plain sight: how an invisible ring in the sky uncovered a past cosmic collision

Wednesday, September 8, 2021
Sometimes, looking at things in a new way reveals brand-new secrets about it. By scanning the cosmos for light invisible to our eyes, the site of an ancient stellar collision was revealed by a large, mysterious ring in the sky. Its discovery provides us with a rare opportunity to study what happens after two stars collide to form one.