Microwave lasers known as masers originate in red giant stars like this. Find out more here: https://public.nrao.edu/explorer/milkyway/TheMilkyWayExplorer.php?map=MWE_Orion&id=OX_005
Credit: Alexandra Angelich (NRAO/AUI/NSF). Music: Mark Mercury.
Credit: Alexandra Angelich (NRAO/AUI/NSF). Music: Mark Mercury.