Create: 2021-01-02 Update: 2025-07-02 22:30:34

📡 به طول تقریبی ۱۲۰۰ کیلومتر از شمال تا جنوب، دریاچهٔ خزر به عنوان بزرگ‌ترین دریاچهٔ کرهٔ زمین به‌شمار میره. عمق دریاچه در نواحی شمالی خیلی کم‌تر از نواحی جنوبی‌ست. بخش‌های عظیمی در شمال، عمقِ ۱۰-متری دارند؛ عمقِ قسمت‌هایی از نواحی جنوبی از ۱۰۰۰ متر هم فراتر است. در عکس سوم نواحی آبیِ تیره، نشان از عمقِ زیاده.

🔘 میزان شوری دریای خزر، حدود یک‌سوم آب‌های اقیانوسه؛ شدت نمک موجود در آب‌های جنوبی بسیار بیش‌تره. عمقِ کمتر و کمبود نمک محلول در پهنه‌های آبی باعث سریع‌تر شکل گرفتن لایه‌های یخ در نواحی شمالی‌ست. تصاویر ماهوارهٔ مطالعات زمین Terra از ناسا در ۱۷ اسفند ۱۳۹۱. #رصد_زمین — 🌐 — [پست قبل:‌ 🔗]

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NEWS: Telegram supports Facetime video calls NOW!

Secure video calling is in high demand. As an alternative to Zoom, many people are using end-to-end encrypted apps such as WhatsApp, FaceTime or Signal to speak to friends and family face-to-face since coronavirus lockdowns started to take place across the world. There’s another option—secure communications app Telegram just added video calling to its feature set, available on both iOS and Android. The new feature is also super secure—like Signal and WhatsApp and unlike Zoom (yet), video calls will be end-to-end encrypted.

📡 به طول تقریبی ۱۲۰۰ کیلومتر از شمال تا جنوب، دریاچهٔ خزر به عنوان بزرگ‌ترین دریاچهٔ کرهٔ زمین به‌شمار میره. عمق دریاچه در نواحی شمالی خیلی کم‌تر از نواحی جنوبی‌ست. بخش‌های عظیمی در شمال، عمقِ ۱۰-متری دارند؛ عمقِ قسمت‌هایی از نواحی جنوبی از ۱۰۰۰ متر هم فراتر است. در عکس سوم نواحی آبیِ تیره، نشان از عمقِ زیاده.

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