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Muslim oral tradition preserves numerous sayings, or hadith, in which Muhammad describes the difference between the light of false dawn, appearing in the sky long after sunset, and the light of the first band of horizontal light at sunrise, the "true dawn" (الفجر الصادق al-fajr al-sādiq).
In Islam, Zodiacal Light (or "false dawn") is referred to as False Morning (Subhe-Kazeb, Persian صبح کاذب) and Astronomical dawn is called Sahar (سحر) or True Morning (Subhe-Sadeq, Persian صبح صادق), and it is the time of first prayer of the day, and the beginning of the daily fast during Ramadan. [9]
Twilight is the time period between dawn and sunrise, and between sunset and dusk. Morning twilight: astronomical, nautical, and civil stages at dawn. The apparent disk of the Sun is shown to scale. [1] Evening twilight: civil, nautical, and astronomical stages at dusk. The solar disk is shown to scale.
dawn [16] a few minutes before sunrise [16] Quranist Islam: dawn [17] [18] [19] sunrise [17] [18] [19] Shia Islam: true dawn [20] sunrise [20] Sunni Islam "the true dawn" (al-fajr al-sadiq) The true dawn is indicated by a white line appearing across the horizon, in contrast to "the false dawn" (al-fajr al-kadhib) shortly before which appears as ...
But the fact is, between obscure pieces of information, folklore that has morphed into fact, and even specific details that are hard to believe, true or false questions can be truly hard to figure ...
Sun-synchronous orbits are mostly selected for Earth observation satellites, with an altitude typically between 600 and 1000 km over the Earth surface. Even if an orbit remains Sun-synchronous, however, other orbital parameters such as argument of periapsis and the orbital eccentricity evolve, due to higher-order perturbations in the Earth's ...
“Winston Gandy did a hell of a job on this scout,” Staley said postgame, crediting the first-year assistant for his work in developing a game plan to slow down Iowa’s Caitlin Clark.
The offset between the dates of the solstice and the earliest or latest sunrise time is caused by the eccentricity of Earth's orbit and the tilt of its axis, and is described by the analemma, which can be used to predict the dates. Variations in atmospheric refraction can alter the time of sunrise by changing its apparent position.