The last square in the sky of the Arab world .. today



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The moon rises after midnight today, Sunday 12 July 2020, according to local time, followed by the arrival of the last square moment of the month of Dhu al-Qi’dah 1441 at 13:28, after midnight Cairo time (23:28 GMT) and will cut three quarters of its Earth orbit during the month.

According to the Astronomical Society of Jeddah, the moon will be observed high in the dome of the sky, leaning towards the southern horizon, coinciding with the start of sunrise on Monday against the background of the blue sky, and will remain visible until sunset. afternoon according to local time.

The moon is known to revolve around the earth once every four weeks, and the result is a cycle of its phases from the conjunction, the crescent of the beginning of the month, the first square, through the crescent hunchback, then the full moon, and then the decreasing hump, then the last quarter and the end of the growing month, and it returns to the conjunction again every 29.5 days And this movement also means that the moon is moving rapidly across the sky, from one night to the next night, the moon crosses 13 degrees in the dome of the sky, and this causes the moon to rise and set about an hour late each day.

The last period of quadrature, where half of the moon and the other half appear dark, is the ideal time to observe the topography of the lunar surface with binoculars or a small telescope because the mountains, craters, etc. They are very sharp, especially along the line that separates the bright side from the dark side due to the interference of light and shadow, which gives a three-dimensional view. An ideal opportunity for monitoring and photography.

Over the next few days, the distance between the moon and the sun in the dome of the sky will narrow until the moon becomes in the waxing phase at the end of the month and will observe just before sunrise in preparation for its fall in the conjunction of the month of Dhu. al-Hijjah.

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