Resolving Changes on Triton's Surface: Imaging over Triton's full longitudinal range.

Details Resolving Changes on Triton's Surface: Imaging over Triton's full longitudinal range. Resolving Changes on Triton's Surface: Imaging over Triton's full longitudinal range.

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004hst..prop10422b&link_type=abstract

HST Proposal ID #10422

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Hst Proposal Id #10422 Solar System

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We have found, from ground-based photometry, evidence of possible seasonal surface changes on Triton which may be brought about by geophysical activity and which have transpired since as recently as 1995. We propose to confirm and characterize these changes using the HST ACS instrument to image Triton at UV, B, V, I and Methane-band wavelengths over as much of its surface as visible from near Earth. By so doing, we will determine the resurfacing rates and set model constraints on activity and surface temperature as well as composition. Such constraints have profound implications for our understanding of Triton's evolution as well as the history of other outer solar system bodies, including outer solar system satellites which may undergo similar geophysical processes or have similar composition.

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