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Código: 6944696 Fecha: 10/09/2025 Dimensiones: 886 x 834 (0.18MB) Fotos del Tema: 1 Pie de Foto: Un equipo dirigido por SwRI utilizó observaciones del telescopio Webb (blanco) para detectar gas metano en el distante planeta enano Makemake. REMITIDA / HANDOUT por S. PROTOPAPA, I.
Abstract We report the detection of ammonia (NH3) on Pluto’s surface in spectral images obtained with the New Horizons spacecraft that show absorption bands at 1.65 and 2.2 μm. The ammonia signature is spatially coincident with a region of past extensional tectonic activity (Virgil Fossae) where the presence of H2O ice is prominent. Ammonia in liquid water profoundly depresses the freezing point of the mixture.
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