نتایج جستجو برای: lunar eclipse
تعداد نتایج: 16593 فیلتر نتایج به سال:
We present the first secondary eclipse and phase curve observations for the highly eccentric hot Jupiter HAT-P-2b in the 3.6, 4.5, 5.8, and 8.0 μm bands of the Spitzer Space Telescope. The 3.6 and 4.5 μm data sets span an entire orbital period of HAT-P-2b (P = 5.6334729 d), making them the longest continuous phase curve observations obtained to date and the first full-orbit observations of a pl...
The Personal Software Process (PSP) is a framework for individual software engineers to improve the quality, predictability and productivity of their work. It consists of a family of seven personal processes that progressively introduce data collection and analysis techniques. This paper presents a PSP tool that is integrated into the Eclipse environment. Currently it includes an Eclipse plug-i...
Paleomagnetic analyses of lunar samples indicate that the Moon had a dynamo-generated magnetic field with ~50 μT surface field intensities between 3.85 and 3.56 Ga followed by a period of much lower (≤ ~5 μT) intensities that persisted beyond 2.5 Ga. However, we determine herein that there is insufficient energy associated with core convection—the process commonly recognized to generate long-li...
ECLIPSE is a next-generation virtual telecommunication network that provides multimedia services that integrate voice, video, text, and images. ECLIPSE facilitates the modular decomposition of new telecommunication services. In this paper we sketch the challenges we face in making ECLIPSE highly available when running on top of a heterogenous and widely distributed system. We describe how we ap...
This study investigates various models to represent the gross geometric shape of the Moon. Asymmetric polyaxial geometric modelsnamely three-, fourand six-axial lunar figure are compared and contrasted with the axially symmetric three-axis ellipsoidal model derived from Chang'e 1 and SELENE laser altimetry data. All solutions confirm a hydrostatically stable lunar shape shifted with respect to ...
The National Eclipse Weather Experiment (NEWEx) was a citizen science project designed to assess the effects of the 20 March 2015 partial solar eclipse on the weather over the United Kingdom (UK). NEWEx had two principal objectives: to provide a spatial network of meteorological observations across the UK to aid the investigation of eclipse-induced weather changes, and to develop a nationwide p...
Introduction: Lunar meteorites come from random sites on the Moon (including areas not visited by Apollo or Lunar missions) and so are crucial for understanding the development of the whole moon, and as ground truth for lunar remote sensing. Data from the Lunar Prospector and Clementine spacecraft show that, relative to the Apollo and Luna landing sites, most of the lunar surface has low abunda...
Analysis of Lunar Laser Ranging (LLR) data provides science results: gravitational physics and ephemeris information from the orbit, lunar science from rotation and solidbody tides, and Earth science. Science from the orbit: Sensitive tests of gravitational physics include the Equivalence Principle, limits on the time variation of the gravitational constant G, and geodetic precession. The equiv...
Unified Lunar Topographic Model B. A. Archinal, M. R. Rosiek, R. L. Kirk, and B. L. Redding .........................................................................27 Update on the Unified Lunar Control Network 2005 B. A. Archinal, M. R. Rosiek, R. L. Kirk, and B. L. Redding .........................................................................28 The Crux Seismic Profiler for Shallow Soundi...
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