April 18, 2015

ALMA image of the gravitationally lensed galaxy SDP 81

SDP 81 Galaxy

The bright orange central region of the ring (ALMA's highest-resolution observation ever) reveals the glowing dust in this distant galaxy. The surrounding lower-resolution portions of the ring trace the millimetre-wavelength light emitted by carbon dioxide and water molecules.

Image Credit: ALMA (NRAO/ESO/NAOJ); B. Saxton NRAO/AUI/NSF
Explanation from: http://www.eso.org/public/images/ann15028a/

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