[الفارس]

المشاركة الأصلية بواسطة زهير الجزائري

اخى فارس شكرا على الموضوع وعلى ترجمته
ولكنى لن اصدقه لانه عطارد اقرب كوكب لنا حين يكون اقرب الى الارض في فصل الشتاء يظهر كنقطة صغيرة في قرص الشمس
اما المريخ فهو بعيد جدا مهما اقترب لن يكون بحجم القمر ربما يكون بحجم نجمة كبيرة ولا يلاحظه احد ولم نقراء في كتب القديمة انه كان هنالك قمرين في السماء في يوم ما حتى في كتاب الف ليلة وليلة الذي كل قصصه خوارق لم يذكر انه كان هنالك قمرين في سماء ربما في شهر اغسطس سيكون المريخ في اقرب نقطة له من الارض ولكن لن يكون ابدا بحجم القمر او نصفه على الاقل
الف تحية لك اخ فارس

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فقد حدث هذا الامر سنة 2003

واليك جزء من نص البحث

In the year 2003, Mars has come as close to Earth as it didn't come in millennia, not to speak of lifetimes. Mars opposition occurred on August 28, 2003 (17:58:49 UT), less than two days before the planet passes its perihelion on August 30. The closest approach of the two planets had already occurred one day earlier, on August 27 (09:51:14 UT); distance will be as close as 55.758 million km (more acurately, 55,758,006 km or 34,646,418 miles). At this distance, it appeared larger than at any historic time to now: 25.11 arc seconds in diameter.
This is the closest approach since a time of 59,619 years, when in 57,617 B.C., the planet came still a very little bit closer, 55.718 million km, and exhibited an apparent diameter of 25.13 seconds of arc. The next enclounter closer than the current 2003 one will occur on August 28, 2287, when Mars will be observable at an apparent diameter of 25.14".
At such a close distance, the planet has brightened up to visual magnitude -2.9, and appeared under an apparent diameter of 25.11 arc seconds; it outshone Jupiter notably (would even if that planet were in favorable opposition), and was only second to planet Venus.
As usual for Mars oppositions, the approach of Earth and Mars also provided an opportunity to send spacecraft to Mars. In 2003, ESO has launched Mars Express and Nasa is has brought the two Mars Exploration Rovers on their way. Also, after a final gravity-assist encounter with Earth, Japan's Nozomi spaceprobe, already launched in 1998, is finally on course to Mars this year.
Supplementary observations of Mars will be provided by the two active Mars orbiters, Mars Global Surveyor (launched 1996) and 2001 Mars Odyssey (launced 2001), as well as Earth orbiting telescopes like the Hubble Space Telescope and, of course, ground-based observers on Earth.

Diagram of the 2003 Mars Opposition

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