نتایج جستجو برای: the moon

تعداد نتایج: 16053434  

Journal: :The astrophysical journal 2022

Abstract The Moon is significantly depleted in volatile elements when compared to Earth, an observation that has resulted various formation scenarios leading the loss of volatiles. Sodium a moderately element lithophile, which can be utilized as tracer history planetary bodies. It also well observed exosphere several bodies our solar system and exoplanetary systems. But lunar surface sodium abu...

Journal: :Nature 2021

Loredana Bessone instructs astronauts on living in space, walking the Moon’s surface and choosing rock samples for analysis.

2009
R. J. de Meijer

Introduction: The giant impact hypothesis [1,2] is the cornerstone of current lunar formation research. However, recent analyses of the elemental and isotopic composition of lunar samples show degrees of similarity between Moon and Bulk Silicate Earth (BSE) that are inconsistent with hydrodynamic models of the Moon-forming giant impact showing 60-90% of the Moon is made up of impactor rather th...

2017
Donald A Redelmeier Eldar Shafir

OBJECTIVE To test whether a full moon contributes to motorcycle related deaths. DESIGN Population based, individual level, double control, cross sectional analysis. SETTING Nighttime (4 pm to 8 am), United States. PARTICIPANTS 13 029 motorcycle fatalities throughout the United States, 1975 to 2014 (40 years). MAIN OUTCOME MEASURE Motorcycle fatalities during a full moon. RESULTS 13 02...

2015
Yong Tan

We employ recent data from 59 international emerging and mature stock markets to provide new evidence of a lunar cycle (full and new moon) effect on their stock market returns. Using a TGARCH model, we further examine the linkages between efficient-market theory, calendar-related effects and investors' mood resulted from moon phases. The empirical results show significant full moon effects in 6...

Journal: :Nature 1993

Journal: :The Iowa Review 2010

Journal: :CoRR 2008
Bernardo Sorj

The book argues ICT are part of the set of goods and services that determine quality of life, social inequality and the chances for economic development. Therefore understanding the digital divide demands a broader discussion of the place of ICT within each society and in the international system. The author argues against the perspectives that either isolates ICT from other basic social goods ...

2012
Yongfeng Yang

The mystery of the Moon illusion is still unsolved, even though various explanations have been offered over thousands of years. Here it is proposed that the illusion may be ascribed to an unusual optical atmospheric effect. The considerably thick spherical atmosphere may form a natural convex lens to converge light rays, which leads to the situation that the light rays from the Moon are greatly...

2009
Walter S. Kiefer

Introduction The Aristarchus Plateau (Figure 1) is a distinctive, geologically complex volcanic highland in northern Oceanus Procellarum. It is roughly diamond shaped, 170 by 220 km across, and up to 2 km higher than the surrounding mare [1, 2]. The roughly linear edges of the plateau suggest that it is fault bounded. The plateau edges are essentially radial and concentric to the center of the ...

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