No Longer "Noble"; Argon Compound Found In Space

mbstone writes "Scientists at the University College of London — where argon was originally discovered in 1894 — have now found spectroscopic signatures of molecules of argon hydride (ArH), said to be produced via explosive nucleosynthesis in a core-collapse supernova in the Crab Nebula. The post-supernova molecular dust was observed by the Herschel Space Observatory shortly before it ran out of coolant in April.."