Distribution of the radio emission from water molecule

Distribution of the radio emission from water molecule at 336 GHz observed by ALMA. The color indicates the motion of the water molecule; blue means the gas moving toward us and orange indicates the gas moving away from us. The gray dots shows the distribution of the SiO maser emission detected by VERA. Researchers interprets that the SiO maser traces the root of the jet. Cred: The Atacama Large Millimeter/submillimeter Array (ALMA), ALMA(ESO/NAOJ/NRAO), R. Hills.