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Mercury to pass between Sun and Earth on Wednesday.

Tribune News Network Doha The smallest Planet 'Mercury' will pass in-between Sun and Earth on Wednesday, December 13 in a situation known as 'inferior conjunction of Mercury with the sun', according to Qatar Calendar House (QCH). During an inferior conjunction, the centre of three celestial objects (Sun, Earth and Mercury) will aligned on straight line as Mercury will be in-between Sun and Earth, and it will pass very close to the Sun more than the earth, said Dr Beshir Marzouk, astronomy expert at (QCH). An inferior conjunction of Mercury is an important astronomical phenomenon because it is an indicator to Mercury transition from an evening sky (Western horizon) to the dawn sky (eastern horizon). Moreover, this phenomenon only happens for two planets (Mercury and Venus) of our solar system planets. Residents of Qatar and Arab region will be able to observe Mercury over eastern horizon after approximately 10 days from an inferior conjunction day on clear sky without light and environment pollutions, while the duration between the time rise of Mercury and sunrise time will increase during next few days. Dr Marzouk added that an inferior conjunction of Mercury occurs every 108 days approximately as Mercury was at inferior conjunction with Sun on Saturday, August 26 this year, while it will come again to inferior conjunction on Sunday, April 1, 2018. On the day, Mercury will rise over Qatar sky at the same time of sunrise and both the celestial bodies will set together approximately.

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Publication:Qatar Tribune (Doha, Qatar)
Geographic Code:7QATA
Date:Dec 11, 2017
Words:259
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