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The Discovery of Two New Satellites of Pluto
H. A. Weaver, S. A. Stern, M. J. Mutchler +6
Pluto's first known moon, Charon, was discovered in 1978 (Christy 1978) and has a diameter about half that of Pluto (Buie 1992,Young 1994, Sicardy 2005), which makes it larger rela…
Characteristics and Origin of the Quadruple System at Pluto
S. A. Stern, H. A. Weaver, A. J. Steffl +6
Our discovery of two new satellites of Pluto, designated S/2005 P 1 and S/2005 P 2 (henceforth, P1 and P2), combined with the constraints on the absence of more distant satellites…
New Constraints on Additional Satellites of the Pluto System
A. J. Steffl, M. J. Mutchler, H. A. Weaver +8
Observations of Pluto and its solar-tidal stability zone were made using the Advanced Camera for Surveys' (ACS) Wide Field Channel (WFC) on the Hubble Space Telescope on UT 2005 Ma…