Molecules in SN 1987A (IMAGE) National Radio Astronomy Observatory Caption Remnant of Supernova 1987A as seen by ALMA. Purple area indicates emission from SiO molecules. Yellow area is emission from CO molecules. The blue ring is Hubble data that has been artificially expanded into 3-D. Credit ALMA (ESO/NAOJ/NRAO); R. Indebetouw; NASA/ESA Hubble Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.