Central Region of NGC 1097 Observed with ALMA (image) National Institutes of Natural Sciences Share Print E-Mail Caption This is the central region of NGC 1097 observed with ALMA. The velocity of the HCN gas is shown in the color and overlaid on the optical image taken by the Hubble Space Telescope. Red indicates gas is moving away from us while purple is coming closer to us. Credit ALMA (ESO/NAOJ/NRAO), K. Onishi (SOKENDAI), NASA/ESA Hubble Space Telescope 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.