Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990sci...250..429n&link_type=abstract
Science (ISSN 0036-8075), vol. 250, Oct. 19, 1990, p. 429-431.
Astronomy and Astrophysics
Astronomy
9
Atmospheric Models, Emissivity, Satellite Atmospheres, Satellite Surfaces, Satellite Temperature, Triton, Astronomical Photometry, Polarimetry, Surface Roughness, Surface Temperature, Temperature Distribution
Scientific paper
Analysis of the preliminary results from the Voyager mission to the Neptune system has provided the scientific community with several methods by which the temperature of Neptune's satellite Triton may be determined. If the 37.5 K surface temperature reported by several Voyager investigations is correct, then the photometry reported by the imaging experiment on Voyager requires that Triton's surface have a remarkably low emissivity. Such a low emissivity is not required in order to explain the photometry from the photopolarimeter experiment on Voyager. A low emissivity would be inconsistent with Triton having a rough surface at the about 100-micron scale as might be expected given the active renewal processes which appear to dominate Triton's surface.
Horn Linda J.
Lane Arthur L.
Mayo Marvin J.
Nelson Robert M.
Smythe William D.
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