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Science & Tech

الشمس في رحلتها الأخيرة.. كيف ستبتلع الكواكب وتتحول إلى قزم أبيض؟

By الجزيرة - اقتصاد · 12 hours ago · 1 min read الجزيرة - اقتصاد ↗

ملخص الخبر

ستفقد الأرض قدرتها على احتضان الحياة بعد نحو مليار سنة بسبب الزيادة التدريجية في سطوع وحرارة الشمس.
ستتحول الشمس إلى نجم أكبر وأكثر إشراقاً قبل أن تتقلص في النهاية إلى جرم كثيف يسمى القزم الأبيض.
ستؤدي زيادة الإشعاع الشمسي إلى تبخر محيطات الأرض وتحولها إلى عالم شديد الحرارة والجفاف قبل وصول الشمس لمرحلة العملاق الأحمر.
ستتمدد الشمس في مراحلها الأخيرة لتصل إلى حجم هائل يمتد لمسافات واسعة ويؤدي لابتلاع كوكب عطارد.

ملخص كتبه الذكاء الاصطناعي من نص الخبر في مصدره.

تبدو الشمس مستقرة في سمائنا منذ آلاف السنين، لكن في أعماقها تجري تغيرات بطيئة ستقلب مصير الأرض والكواكب رأسا على عقب، قبل أن تصل إلى نهايتها البعيدة.

المصدر: الجزيرة – اقتصاد

#الأرض #الشمس #مستقبل الشمس

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