===== First Extragalactic Detection of H2 ===== R. I. Thompson, M. J. Lebofsky, G. H. Rieke,\\ **[[https://ui.adsabs.harvard.edu/abs/1978ApJ...222L..49T|The 2-2.5 micron spectrum of NGC 1068 - A detection of extragalactic molecular hydrogen]]**,\\ //Astrophys. J.// **222**, L49-L53 (1978). Source(s): NGC1068\\ Facility: Steward Observatory 2.3m\\ ---- Contributor(s): S. Thorwirth; 09/2005 ----