انجمن علمی ستاره‌شناسى | United States America (US)

Create: 2023-07-15 Update: 2025-07-01 19:53:14

نشست ۲۰۶ باشگاه نجوم اصفهان

رصدخانه ملی ، از ایده تا تصویر ARP282

🔹️رصد خانه ملی ایران به عنوان یکی از بزرگترین پروژه های کلان ملی کشور در قله "گَرگَش" شهر "کامو" از توابع شهرستان کاشان سر به آسمان کشیده است.

🔸️در این نشست آقای مهندس محمد مهاجر مدیر پروژه گنبد چرخان این رصدخانه ملی برای ما از فراز و فرود های ایده تا بهره برداری رصدخانه تا دریافت اولین نور از آسمان را برایمان شرح خواهند داد.

🔹️جفت کهکشان ARP282 در صورت فلکی آندرومدا در فاصله ۳۲۰ میلیون سال نوری از نخستین تصاویری است که توسط تلسکوپ رصدخانه ملی ثبت شده است.

📆 زمان : ۲۸ تیر ماه ۱۴۰۲

🕧ساعت : ۱۸ الی ۲۰

📍مکان : سالن همایش کتابخانه مرکزی شهرداری

🔴حضور برای عموم علاقمندان آزاد و رایگان می باشد.

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انجمن علمی ستاره‌شناسى

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Telegram auto-delete message, expiring invites, and more

elegram is updating its messaging app with options for auto-deleting messages, expiring invite links, and new unlimited groups, the company shared in a blog post. Much like Signal, Telegram received a burst of new users in the confusion over WhatsApp’s privacy policy and now the company is adopting features that were already part of its competitors’ apps, features which offer more security and privacy. Auto-deleting messages were already possible in Telegram’s encrypted Secret Chats, but this new update for iOS and Android adds the option to make messages disappear in any kind of chat. Auto-delete can be enabled inside of chats, and set to delete either 24 hours or seven days after messages are sent. Auto-delete won’t remove every message though; if a message was sent before the feature was turned on, it’ll stick around. Telegram’s competitors have had similar features: WhatsApp introduced a feature in 2020 and Signal has had disappearing messages since at least 2016.

نشست ۲۰۶ باشگاه نجوم اصفهان

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