در لحظاتی قبل از برخورد فضاپیمای «دارت» ناسا به سیارک «دیمورفوس» در آزمایش دفاع سیارهای برجسته در...
روز: مرداد ۲۲, ۱۴۰۳
تلومرها توالی هایی در انتهای کروموزوم ها هستند که با هر تقسیم سلولی کوتاه تر شده و...
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