Results 11 to 20 of about 835,162 (338)

New Jupiter Satellites and Moon-Moon Collisions [PDF]

open access: greenResearch Notes of the AAS, 2018
We report the discovery of 12 new satellites of Jupiter, giving Jupiter 79 known satellites. The new finds are between 23rd-24th mag in the r-band and 1-3 km in diameter assuming dark albedos. Nine of the discoveries are in the distant retrograde satellite groupings.
Scott S. Sheppard   +9 more
openaire   +5 more sources

A New Method for Ground-Based Optical Polarization Observation of the Moon [PDF]

open access: goldSensors
As a natural satellite of the Earth, the moon is a prime target for planetary remote sensing exploration. However, lunar polarization studies are not popular in the planetary science community.
Weinan Wang   +6 more
doaj   +2 more sources

THE CRESCENT MOON VISIBILITY RELEVANT TO SYNODICAL HALF MONTH’S [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة, 2012
The modern astronomic programs were development to calculate the sun and moon coordinates, moon phases (new moon and full moon), synodical half months and difference between them and time of synodical month and elongation angle from the sun at the moment
FARID MUSAAB MAHDI, ABDALRAHMAN HUSSEIN
doaj   +1 more source

Sighting the New Moon as the Methodology for Determining the Month of Ramadhan

open access: yesJPAIR, 2018
Muslim communities are known to be united, but every year, towards the start of Ramadhan, some of them argue which started to be divided over the issue on the determination of the start of the blessed month.
Morad Sabdullah Umpa
doaj   +1 more source

PENENTUAN AWAL BULAN KAMARIAH PERSPEKTIF SYAR'I DAN ILMU PENGETAHUAN

open access: yesLisan Al-Hal: Jurnal Pengembangan Pemikiran dan Kebudayaan, 2015
The start of the month kamariyah not be done except by rukyatul hilal, either with the naked eye or with the aid of a tool, not the reckoning. Rukyatul is applicable rukyatul global (applies to all Muslims), not the new moon rukyatul applicable locally ...
Subaidi Subaidi
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

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

The new Moon [PDF]

open access: yesPhysics Today, 2017
Recent findings are challenging much of what we thought we knew about Earth’s nearest neighbor.
openaire   +2 more sources

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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