Download or read book Lunar Orbiter Ranging Data written by John Derral Mulholland and published by . This book was released on 1967 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Catalog of Lunar Mission Data written by National Space Science Data Center and published by . This book was released on 1977 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Application of One way Laser Ranging Data to the Lunar Reconnaissance Orbiter LRO for Time Transfer Clock Characterization and Orbit Determination written by Sven Bauer and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Lunar Orbiter I Preliminary Results written by J. Kenrick Hughes and published by . This book was released on 1969 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Lunar Reconnaissance Orbiter Mission written by R.R. Vondrak and published by Springer. This book was released on 2014-11-22 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Lunar Reconnaissance Orbiter (LRO) was successfully launched on June 18, 2009 and joined an international eet of satellites (Japan’s SELENE/Kaguya, China’s Chang’E, and India’s Chandrayaan-1) that have recently orbited the Moon for scienti c exploration p- poses. LRO is the rst step to ful ll the US national space goal to return humans to the Moon’s surface, which is a primary objective of NASA’s Exploration Systems Mission - rectorate (ESMD). TheinitialLROmissionphasehasaone-yeardurationfullyfundedunder ESMD support. LRO is expected to have an extended phase of operations for at least two additional years to undertake further lunar science measurements that are directly linked to objectives outlined in the National Academy of Science’s report on the Scienti c Context for Exploration of the Moon (SCEM). All data from LRO will be deposited in the Planetary Data System (PDS) archive so as to be usable for both exploration and science by the widest possible community. A NASA Announcement of Opportunity (AO) solicited proposals for LRO instruments with associated exploration measurement investigations. A rigorous evaluation process - volving scienti c peer review, in combination with technical, cost and management risk assessments, recommended six instruments for LRO development and deployment. The competitively selected instruments are: Cosmic Ray Telescope for the Effects of Rad- tion (CRaTER), Diviner Lunar Radiometer Experiment (DLRE), Lyman-Alpha Mapping Project (LAMP), Lunar Exploration Neutron Detector (LEND), Lunar Orbiter Laser - timeter (LOLA), and Lunar Reconnaissance Orbiter Camera (LROC).
Download or read book Lunar Sourcebook written by Grant Heiken and published by CUP Archive. This book was released on 1991-04-26 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt: The only work to date to collect data gathered during the American and Soviet missions in an accessible and complete reference of current scientific and technical information about the Moon.
Download or read book Scientific Applications of Lunar Laser Ranging written by J.D. Mulholland and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: The progress of science during the past centuries has been in some measure energized by the development of new technologies. People are no more intelligent now than they were five centuries ago, or indeed five millenia ago. The differences are in the pool of past experience and the availability of means for manipulating the physical and mental environment. Until fairly recently, the development of new technologies in astronomy and geodesy has served primarily either to broaden the scope of phenomena that could be studied or to improve the precision with which one could examine already-studied phenomena. There seemed to be no likelihood that a situation could arise similar to that in particle physics, where the uncertainty principle indicates that the observation of the state of an object alters that state, affecting the observation. Indeed, we have not yet reached that point, but certain of the new techniques have introduced a degree of complication and inter dependence perhaps not previously encountered in the macro sciences. When observational capability is so fine that the data can be corrupted by the tidal motions of the instruments, for example, then there are a myriad of physical effects that must be considered in analyzing the data; the happy aspect of this is that the data can be used to study exactly these same effects. The complication does not, however, extend only to predictive computations against which the data are compared.
Download or read book Lunar Orbiter written by and published by . This book was released on 1967 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Estimates of the Moon s Geometry Using Lunar Orbiter Imagery and Apollo Laser Altimeter Data written by Ruben L. Jones and published by . This book was released on 1973 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Selenographic coordinates for about 6000 lunar points identified on the Lunar Orbiter photographs are tabulated and have been combined with those lunar radii derived from the Apollo 15 laser altimeter data. These coordinates were used to derive that triaxial ellipsoid which best fits the Moon's irregular surface. Fits where obtained for different constraints on both the axial orientations and the displacement of the center of the ellipsoid. The semiaxes for the unconstrained ellipsoid were a = 1737.6 km, b = 1735.6 km, and c = 1735.0 km which correspond to a mean radius of about 1736.1 km. These axes were found to be nearly parallel to the Moon's principal axes of inertia, and the origin was displaced about 2.0 km from the Moon's center of gravity in a direction away from the Earth and to the south of the lunar equator.
Download or read book The Use of Lunar Beacons in Lunar Orbit Estimation written by Thomas M. Carson and published by . This book was released on 1970 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kalman filtering techniques were applied in evaluating the use of lunar beacons in estimating the state of a lunar vehicle. Range and/or range-rate measurements were used as the observational data. Results show that the error in the beacon location can be reduced from an initial error of 1.73 kilometers to approximately 0.2 kilometer, by the use of earth-based observations. The use of on-board observations of the lunar beacons can contribute significantly to lunar orbit estiniation when used in conjunction with earth-based observations. Locating the beacons to provide state information that was difficult to obtain from earth-based measurements provided beneficial. On-board observations also proved adequate in estimating the state of a lunar vehicle when they were the only data source available.
Download or read book Lunar Orbiter Photographic Data written by Mary Beeler and published by . This book was released on 1969 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Lunar Orbiter Flight Vibration Data and Comparisons with Environmental Specifications written by Sherman A. Clevenson and published by . This book was released on 1970 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents detailed flight-measured vibration data obtained during the five successful flights of Lunar Orbiter and compares these data with vibration levels specified as flight acceptance requirements. Measured flight vibration data on these flights were lower than those measured on previous flights of the Atlas-Agena launch vehicle and thus the flight acceptance random vibration test levels substantially exceeded the flight measurements. This paper also discusses the derivation of the flight requirements.
Download or read book GRAIL Mapping the Moon s Interior written by Maria Zuber and published by Springer Science & Business Media. This book was released on 2013-11-19 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: In September 2011, the GRAIL mission launched two unmanned spacecraft to the Moon, which entered into lunar orbit on December 31, 2011 and January 1, 2012. They orbited the Moon until December 17, 2012, when they impacted the surface near the Moon’s north pole. This book contains three review articles co-authored by the GRAIL Science Team and Guest Scientists that describe the reasons for the GRAIL mission, the development of the necessary technology, and the design of the mission to acquire the most precise measurements of the lunar gravity field possible today. The book provides a detailed description of the GRAIL mission’s scientific objectives, the instrumentation and its required performance, the complex simulation of the measurement system for determining the gravity field, and the innovative education and public outreach of the mission directed toward middle-school students who could select areas of the Moon for imaging with the onboard MoonKam camera system. This volume is aimed at researchers and graduate students active in solar system science and planetology. Originally published in Space Science Reviews journal, Vol. 178/1, 2013.
Download or read book Technical Report Jet Propulsion Laboratory California Institute of Technology written by Jet Propulsion Laboratory (U.S.) and published by . This book was released on 1968 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Crustal Dynamics Project written by and published by . This book was released on 1989 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Lunar Orbiter Meteoroid Experiments written by Gary W. Grew and published by . This book was released on 1971 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Meteoroid experiments by five Lunar Orbiters have provided a direct measurement in the near-lunar environment of the rate of meteoroid penetration of 0.025-mm-thick beryllium-copper. Each experiment used 20 pressurized-cell detectors having a total effective exposed area of 0.186 m2. The spacecraft carrying the cells were in both equatorial and polar orbits; altituded ranged between 30 and 6200 km. Data collected continuously for 17 months indicate that the rate of penetration in the lunar environment is approximately half the rate in the near-earth environment as measured by detectors of the same type aboard Explorers XVI and XXIII.
Download or read book Lunar Laser Ranging Data Deposited in the National Space Science Data Center written by John Derral Mulholland and published by . This book was released on 1972 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
