نتایج جستجو برای: lunar cycle

تعداد نتایج: 280539  

2012
J. Sun X. Xiong J. Butler

The Visible Infrared Imager Radiometer Suite (VIIRS) is one of five instruments on-board the Suomi National Polarorbiting Partnership (NPP) satellite that launched from Vandenberg Air Force Base, Calif., on Oct. 28, 2011. VIIRS has been scheduled to view the Moon approximately monthly with a spacecraft roll maneuver after its NADIR door open on November 21, 2011. To reduce the uncertainty of th...

Journal: :روانپزشکی و روانشناسی بالینی ایران 0
ایوب مالک ayoub malek ell goli rd. tabriz, iran, i.r.جاده ائل گلی، مرکز آموزشی و درمانی اعصاب و روان رازی. سعید دستگیری saeed dastgiri , ell goli rd. tabriz, iran, i.r.تبریز، جاده ائل گلی، مرکز آموزشی و درمانی اعصاب و روان رازی.

the purpose of the present study is to investigate the effects of moon phases on suicides, car accidents, and psychic crises. the data were obtained from archives of imam khomeini hospital, traffic office, and razi psychiatric hospital in tabriz. the sample consisted of 808 suicide cases and 6301 cases of city car accidents in 1989, and 3632 cases admitted to psychiatric hospital during the yea...

1989
John W. Delano Grant H. Heiken

Origin of Lunar Basalts: A Geophysical Interpretation J. Arkani-Hamed Lunar Pyroclastic Soils of the Apollo 17 Double Drive Tube 74001/2 A. Basu, D. S. McKay, and S. J. Wentworth Lunar Explosive Volcanism: The Remote Sensing Perspective C. R. Coombs and B. R. Hawke The Optimal Lunar Resource: Ilmenite-rich Regional Pyroclastic Deposits C. R. Coombs, B. R. Hawke, and B. Clark Pyroclastic Volcani...

2007
C. M. PIETERS

The optical properties of lunar softs are different than those of rocks from which they are derived. As a consequence of lunar space weathering, soils are darker and exhibit a distinctive red-sloped continuum and weaker mineral absorption bands. The accumulation of dark glass-welded aggregates (agglutinates) has been thought to account for these optical effects of space weathering on lunar soil...

Journal: :Ecology 2012
Gabriele Cozzi Femke Broekhuis John W McNutt Lindsay A Turnbull David W Macdonald Bernhard Schmid

Africa is home to the last intact guild of large carnivores and thus provides the only opportunity to investigate mechanisms of coexistence among large predator species. Strong asymmetric dominance hierarchies typically characterize guilds of large carnivores; but despite this asymmetry, subdominant species may persist alongside their stronger counterparts through temporal partitioning of habit...

2007
F. M. McCubbin H. Nekvasil D. H. Lindsley

Introduction: Magmatic volatiles such as H 2 O, F, Cl, CO 2 , and S play a critical role in physiochemical processes that control thermal stabilities of minerals and melts, magma eruptive processes, and transport of economically important metals. Of these volatiles, water is the dominant magmatic volatile in terrestrial magmas both because of its abundance and its strong effect on physical prop...

2006
Laurent Sibille Paul K. Carpenter

Introduction: As NASA turns its exploration ambitions towards the Moon once again, the research and development of new technologies for lunar operations face the challenge of meeting the milestones of a fast-pace schedule, reminiscent of the 1960's Apollo program. While the lunar samples returned by the Apollo and Luna missions have revealed much about the Moon, these priceless materials exist ...

2008
B. A. Cohen T. D. Swindle

Introduction: One of the important outstanding goals of lunar science is understanding the bombardment history of the Moon and calibrating the impact flux curve for extrapolation to the Earth and other terrestrial planets. Obtaining a sample from a carefully-characterized interior melt sheet or a ring massif is a reliable way to tell a single crater's age. A different but complementary approach...

2003
Noah E. PETRO Carlé M. PIETERS

available online at http://meteoritics.org The lunar-wide effects of basin ejecta distribution on the early megaregolith Noah E. PETRO1, 2* and Carlé M. PIETERS1 1Department of Geological Sciences, Brown University, Box 1846, Providence, Rhode Island, 02912, USA 2Now at: Planetary Geodynamics Laboratory, Code 698, NASA Goddard Space Flight Center, Greenbelt, Maryland, 20771, USA *Corresponding ...

2009
T. J. Stubbs D. A. Glenar D. T. Richard

Introduction: When viewing the lunar exosphere there appear to be three major sources of optical scattering that are typically observed: atomic line emissions from the exospheric gases [1]; the relatively bright coronal and zodiacal light (CZL) background [2]; and the putative scattering of sunlight by exospheric dust, which is also referred to as “lunar horizon glow” (LHG) [3]. The lunar exosp...

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