ALMA and Rosetta Detect Freon-40 in Space (image) ESO Share Print E-Mail Caption Organohalogen methyl chloride (Freon-40) discovered by ALMA around the infant stars in IRAS 16293-2422. These same organic compounds were discovered in the thin atmosphere surrounding Comet 67P/C-G by the ROSINA instrument on ESA's Rosetta space probe. Credit B. Saxton (NRAO/AUI/NSF); NASA/JPL-Caltech/UCLA Usage Restrictions None Share Print E-Mail 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.