MAKE A MEME View Large Image Uranus, Neptune, and their moons (2MASS).jpg Atlas Images of Uranus Neptune and their moons Uranus and Neptune were observed serendipitously by the 2MASS Southern Facility during routine operations on 1998 June 7 and June 11 UT respectively ...
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Keywords: Uranus, Neptune, and their moons (2MASS).jpg Atlas Images of Uranus Neptune and their moons Uranus and Neptune were observed serendipitously by the 2MASS Southern Facility during routine operations on 1998 June 7 and June 11 UT respectively Both planets appear very blue i e they are not nearly as bright in the Ks band as in the shorter wavelength bands due to more reflection of sunlight at short wavelengths and to absorption of light by methane gas in their atmospheres The moons or satellites of both planets have icy surfaces with no or very little atmospheres They simply reflect sunlight by various amounts depending on the albedo or reflectivity of each moon's surface Umbriel has a surprisingly dark icy surface Miranda is the innermost and smallest of the five large Uranian moons Triton is odd in that it is in a highly-inclined retrograde orbit around Neptune leading planetary scientists to infer that Triton was captured by Neptune's gravity For more information about these and other planets see NASA/JPL's Welcome to the Planets and NASA/GSFC's Planetary Fact Sheets Moon identification in and further analysis of these 2MASS images by B Nelson IPAC http //www ipac caltech edu/2mass/gallery/images_ss html 2MASS Atlas Image Gallery Solar System Objects Two Micron All Sky Survey 2MASS a joint project of the University of Massachusetts and the Infrared Processing and Analysis Center/California Institute of Technology funded by the National Aeronautics and Space Administration and the National Science Foundation 2MASS Atlas image Uranus planet Moons of Uranus Neptune planet Moons of Neptune 2MASS images
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