Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 34 for “"Pluto"”.
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Pluto : community-based news server
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2002.
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Surface-atmosphere coupling on Triton and Pluto.
… climates of Neptune's large moon, Triton, and Pluto. I have developed models of these two processes and used the distribution of albedo on the surfaces of these two bodies to study surface temperatures, distribution of volatile ices, and lower atmospheric structure. My initial studies focused …
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Pluto fast flyby spacecraft design and development
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1994.
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PLUTO : a preprocessor for multilingual spoken language generation
… Each subtask is handled by a separate module. PLUTO is a new module, responsible for meaning representation modification, that has been added to the Spoken Language Systems group's surface realization component. PLUTO acts as a preprocessor to the main processor, GENESIS, which is responsible …
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An albedo map and frost model of Pluto
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1993.
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Spectral mapping and long-term seasonal evolution of Pluto
… has provided a wealth of new data about the Pluto system, including detailed surface geology and volatile distribution maps revealing striking latitudinal and longitudinal variations. We begin by studying the methane distribution and surface colors using data from New Horizons' Ralph/MVIC …
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Bulk properties and atmospheric structure of Pluto and Charon
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1994.
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A surface albedo map of Pluto based on photometry of mutual events
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1990.
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Investigating spatial variation in the surface and atmosphere of Pluto through stellar occultations and PSF photometry
… a high-resolution view of a single chord through Pluto's atmosphere. This thesis presents three projects related to stellar occultation observations of Pluto. The first project concerns the ground testing of the High-speed Imaging Photometer for Occultations (HIPO), a camera aboard the …
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Photometric Explorations of Volatile Shifts on Pluto’s Surface
Pluto was observed over the course of three months with the goal of generating light curves to determine if volatile transport had occurred since the New Horizons Mission in 2015. Pluto’s surface is primarily made up of volatile ices, which are thought to migrate as Pluto’s seasons change. Further …
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Stellar occultation investigations of Pluto's atmosphere
We investigate the shape of Pluto's atmosphere using data from the occultation of the V=15.7 star P131.1 by Pluto on 2002 Aug 21 (UT). We find that Pluto's atmosphere, as projected onto the sky, is noticeably non-circular. This implies an overall ellipsoidal shape, which could be an indication of …
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Detecting surface inhomogeneity of asteroids
… Observations were conducted on three test cases—Pluto, asteroid 2005 EK70, and the weather satellite Meteosat-11 using the Mookodi instrument on the Lesedi telescope. For Pluto, time-resolved spectroscopy revealed methane ice absorption bands, with band depths varying between 3.33% and 4.80%, …
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The use of stellar occultations to study the figures and atmospheres of small bodies in the outer solar system
… system are discussed with examples from Triton, Pluto, and Charon. Simulations were performed characterizing the analysis of multi-chord occultations including: the effects of the direction of residual minimization in figure fits, the complications in measuring the reliability of fitted figure …
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T-CAM Computer Vision Flow Control
… with Marel's industrial automation system Pluto when the food product reaches its destination.
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Pluto's atmosphere from the May 22, 2011 stellar occultation
… from the May 22, 2011 stellar occultation by Pluto. Of the nine sites across the United States that attempted to observe the event, three obtained light curves at the predicted midtime without being clouded out. Simultaneous fitting of these three light curves utilizing a model fully detailed …
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A discrete forward-modeling method for characterizing occultation lightcurves of tenuous planetary atmospheres
… of the occulting body. We find that for Pluto-like atmospheres, temperature and pressure variations affect the characteristics of the lightcurve much more than the gas composition. We also find that the half-light radius is more sensitive to atmospheric changes than either the minimum …
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Exploring the Concept of a Deep Space Solar-Powered Small Spacecraft
… 11 are the only spacecraft to ever venture past Pluto and provide information about space at those large distances. These spacecraft were very expensive and primarily designed to study planets during gravitational assist maneuvers. They were not designed to explore space past Pluto and their …
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Plasma flow and acceleration in the magnetic mirror and nozzle geometries
… The Magnetohydrodynamic (MHD) fluid code {\it PLUTO} and the Particle-in-Cell (PIC) code {\it {\it VSim}} are employed to simulate plasma dynamics in both the nozzle and its expander region. The first part of the study utilizes the {\it PLUTO} MHD code to analyze the axial acceleration and …
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Multi-dimensional simulations of bow shocks of massive, high-velocity runaway stars
… to as high-velocity runaway (HVR) stars. We use PLUTO, a magneto-hydrodynamics grid code, to simulate these bow shocks, performing hydrodynamic simulations in 2- and 3-dimensions, while including thermal conduction and detailed radiative cooling/heating. Extensive 3D freely expanding stellar wind …
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