Astronomers have detected a powerful radiowave laser, known as a megamaser, in space.
원문출처 : https://www.cnn.com/2022/04/15/world/space-laser-megamaser-scn/index.html
원문출처 : https://www.cnn.com/2022/04/15/world/space-laser-megamaser-scn/index.html