العلماء يكتشفون قطعة ألماس أكبر من كوكب الأرض بخمس مرات!!

[دائمة الذكر]

قد تمر علينا هذه الفكرة مرور الكرام حين نشاهدها في فيلم كارتون أو رواية خيالية، لكن حين نقرأها في مجلة علمية تستحق حينها أن نتوقف أمامها باندهاش:
حيث اكتشف العلماء قطعة ألماس كبيرة جداً لدرجة أنها أكبر من كوكب الأرض بخمس مرات




http://www.ibda3world.com/wp-content/uploads/2011/08/article-2030138-0D9225D700000578-183_636x525-580x478.jpg (http://www.naabd.com/vb/go.php?url=http%3A%2F%2Fwww.ibda3world.com%2F%25d9 %2583%25d9%2588%25d9%2583%25d8%25a8-%25d8%25a3%25d9%2584%25d9%2585%25d8%25a7%25d8%25b3-%25d8%25a7%25d9%2583%25d8%25aa%25d8%25b4%25d8%25a7 %25d9%2581-%25d8%25b9%25d9%2584%25d9%2585%25d8%25a7%25d8%25a1 %2Farticle-2030138-0d9225d700000578-183_636x525%2F)
فقطعة الألماس العملاقة تلك هي كوكب يبعد عنّا 4,000 سنة ضوئية.
بدأت قصة هذا الاكتشاف الغريب حين لاحظ العلماء نجماً نابضاً في مجرتنا درب التبانة، وحين قاموا بتتبع هذا النجم اكتشفوا وجود كوكب يدور حوله ويتكون بأكمله من الألماس!


http://www.ibda3world.com/wp-content/uploads/2011/08/article-2030138-0D84C01600000578-266_636x419-580x382.jpg (http://www.naabd.com/vb/go.php?url=http%3A%2F%2Fwww.ibda3world.com%2F%25d9 %2583%25d9%2588%25d9%2583%25d8%25a8-%25d8%25a3%25d9%2584%25d9%2585%25d8%25a7%25d8%25b3-%25d8%25a7%25d9%2583%25d8%25aa%25d8%25b4%25d8%25a7 %25d9%2581-%25d8%25b9%25d9%2584%25d9%2585%25d8%25a7%25d8%25a1 %2Farticle-2030138-0d84c01600000578-266_636x419%2F)
يظن العلماء أن هذا الكوكب كان نجماً قبل أن يمتص النجم النابض الذي بجواره غلافه الخارجي وأغلب مادته، ليبقى هذا الكوكب من الكربون الذي تبلّر ليتحول بأكمله لألماس.

http://www.ibda3world.com/wp-content/uploads/2011/08/20090810_diamond_world.jpg (http://www.naabd.com/vb/go.php?url=http%3A%2F%2Fwww.ibda3world.com%2F%25d9 %2583%25d9%2588%25d9%2583%25d8%25a8-%25d8%25a3%25d9%2584%25d9%2585%25d8%25a7%25d8%25b3-%25d8%25a7%25d9%2583%25d8%25aa%25d8%25b4%25d8%25a7 %25d9%2581-%25d8%25b9%25d9%2584%25d9%2585%25d8%25a7%25d8%25a1 %2F20090810_diamond_world%2F)
هذا ويبلغ عرض الكوكب الماسي حوالي 64,000 كيلومتر ويستغرق العام عليه ساعتين فقط!

http://www.ibda3world.com/wp-content/uploads/2011/08/diamond_planet_pulsar-580x433.jpg (http://www.naabd.com/vb/go.php?url=http%3A%2F%2Fwww.ibda3world.com%2F%25d9 %2583%25d9%2588%25d9%2583%25d8%25a8-%25d8%25a3%25d9%2584%25d9%2585%25d8%25a7%25d8%25b3-%25d8%25a7%25d9%2583%25d8%25aa%25d8%25b4%25d8%25a7 %25d9%2581-%25d8%25b9%25d9%2584%25d9%2585%25d8%25a7%25d8%25a1 %2Fdiamond_planet_pulsar%2F)
رسمة تخيلية للكوكب الماسي وهو يدور حول النجم النابض
نُشر هذا البحث يوم الخميس الماضي في مجلة Science بواسطة فريق دولي من العلماء. وقد استخدم العلماء تلكسوباً في منطقة شيشاير شمال غرب إنجلترا و200,000 جيجابايت من البيانات للوصول لهذا الكوكب المدهش.
وهذا الفيديو يعرض بعض المعلومات الإضافية عن البحث:



أما بالنسبة للنجوم النابضة فهي أحد الروائع الكون التي أدهشت العلماء، وهي نجوم دوّارة لا يتعدى قطرها 16 كيلومتر (بحجم مدينة صغيرة) لكن كثافتها أكبر من كثافة الشمس بمرة ونصف. وتعرف باسم النابضة لأنها تقوم بإرسال نبضات من الموجات لكل أنحاء الكون.

http://www.ibda3world.com/wp-content/uploads/2011/08/estrella_neutrones-580x503.jpg (http://www.naabd.com/vb/go.php?url=http%3A%2F%2Fwww.ibda3world.com%2F%25d9 %2583%25d9%2588%25d9%2583%25d8%25a8-%25d8%25a3%25d9%2584%25d9%2585%25d8%25a7%25d8%25b3-%25d8%25a7%25d9%2583%25d8%25aa%25d8%25b4%25d8%25a7 %25d9%2581-%25d8%25b9%25d9%2584%25d9%2585%25d8%25a7%25d8%25a1 %2Festrella_neutrones%2F)
رسمة تخيلية لنجم نابض
فسبحان من بيده ملكوت كل شئ وهو على كل شئ قدير..

http://www.youtube.com/watch?v=ylGwsIIyZf0&feature=player_embedded

______________________________________________

[نوركيم]

سبحان الله العظيم

الكون رهيب فعلا .. . .

****
أفكر مرات في اقتناء تلسكوب صغير لاتمتع بمناظر السماء ..

[نورالدين03]

سبحان الله ...

شكرا لك

[the.edge]

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