Results 11 to 20 of about 872,304 (338)

A new chronology for the Moon and Mercury

open access: green, 2009
In this paper we present a new method for dating the surface of the Moon, obtained by modeling the incoming flux of impactors and converting it into a size distribution of resulting craters.
Anderson   +18 more
core   +2 more sources

KONSEP HILAL MAR’I (Analisis Terhadap Pandangan Anggota TIM Hisab Rukyat Kementerian Agama RI)

open access: yesHakam: Jurnal Kajian Hukum Islam dan Hukum Ekonomi Islam, 2022
One of the causes of differences in Eid al-Fitr so far is the difference among rukyat reckoning experts themselves regarding the concept of the new moon mar'i, where there are rukyat reckoning experts who say that the hilal is the lower disk, some even ...
Bashori Alwi
doaj   +1 more source

Predicting new crescent moon visibility applying machine learning algorithms

open access: yesScientific Reports, 2023
The world's population is projected to grow 32% in the coming years, and the number of Muslims is expected to grow by 70%—from 1.8 billion in 2015 to about 3 billion in 2060.
Murad Al-Rajab   +2 more
doaj   +1 more source

Prospects in the orbital and rotational dynamics of the Moon with the advent of sub-centimeter lunar laser ranging [PDF]

open access: yes, 2007
Lunar Laser Ranging (LLR) measurements are crucial for advanced exploration of the laws of fundamental gravitational physics and geophysics. Current LLR technology allows us to measure distances to the Moon with a precision approaching 1 millimeter.
A. Escapa   +97 more
core   +2 more sources

A Radio Determination of the Time of the New Moon [PDF]

open access: yes, 2013
The detection of the New Moon at sunset is of importance to communities based on the lunar calendar. This is traditionally undertaken with visual observations. We propose a radio method which allows a higher visibility of the Moon relative to the Sun and
Albaqami, F. H.   +6 more
core   +1 more source

Lunar phobia in phyllostomid bats at La Ceiba, Tuxpan, Veracruz

open access: yesEcosistemas y Recursos Agropecuarios, 2018
The term lunar phobia is used to explain the behavior that some nocturnal animals have to avoid periods with greater moonlight intensity. The aim was to determine the effect of the brightness of the new moon and the full moon on the richness, abundance ...
Juan Manuel Pech Canché   +4 more
doaj   +1 more source

The effect of illumination and time of day on movements of bobcats (Lynx rufus). [PDF]

open access: yesPLoS ONE, 2013
Understanding behavioral changes of prey and predators based on lunar illumination provides insight into important life history, behavioral ecology, and survival information.
Aimee P Rockhill   +2 more
doaj   +1 more source

இலக்கியங்களில் கோள்களின் இயல்பு / Nature of Planets in Literature [PDF]

open access: yesInternational Journal of Tamil Language and Literary Studies, 2022
The study of space objects and matter outside the earth’s atmosphere is called astronomy. Ancestors of Tamil culture undoubtedly had spectacular knowledge about astronomy. It is evident in Tamil literature.
முனைவர் மு. துர்காதேவி / Dr M. Durga Devi
doaj   +1 more source

Asymptotic analysis of displaced lunar orbits [PDF]

open access: yes, 2009
The design of spacecraft trajectories is a crucial task in space mission design. Solar sail technology appears as a promising form of advanced spacecraft propulsion which can enable exciting new space science mission concepts such as solar system ...
Colin R. McInnes   +8 more
core   +1 more source

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