ALMA Band 10 image of heavy water

ALMA Band 10 image of heavy water (HDO) streaming away from NGC 6334I in the Cat's Paw Nebula. This image is the result of ALMA's highest-frequency observing capabilities, which push the limits of ground-based astronomy. Credit: ALMA (ESO/NAOJ/NRAO); NRAO/AUI/NSF, B. Saxton