Sky watchers in the Arab world are preparing to observe a distinct coupling between the moon and Mars, this evening, Saturday April 17, 2021, with the naked eye, where only 0.1 degrees will separate them, and this is a close apparent distance, so that they appear together in the same field of view of binoculars or telescopes.
According to the Astronomical Society in Jeddah, the moon’s location near Mars is intended only on the dome of the sky, as they are not close to each other in space, as the moon is only about 397,577 kilometers away from us, while Mars is 285 million kilometers away.
About a quarter of the moon will appear illuminated, and the apparent brightness of Mars will be 1.5, so the moon will be brighter than Mars, and he will notice that the red planet is now fainter, compared to October last year, when it was in convergence – its closest point to Earth – because Mars is now twice as far From the sun, however, it is still visible to the naked eye and is the only planet spotted in the evening sky this month.
This is an opportunity to take pictures of Mars and the moon with a smartphone or digital camera, and take wide-angle images with the horizon, trees, or narrow-angle magnified images with the telescope, if images are taken from different geographical locations around the world, it can be shown how the relative apparent positions of Mars and the moon change. Over time, and how they look different depending on the latitude of the monitoring site.
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