欧洲南方天文台
天文学家揭示了银河系中心黑洞的第一张照片
5月12日，在世界各地同时举行的新闻发布会上，天文学家向人们展示了位于银河系中心的超大质量黑洞的首张照片。 这一结果提供了压倒性的证据，证明该物体确实是一个黑洞，并为理解星系中心的这些“巨兽”如何运作 提供了有价值的线索。 该图像由一个名为「事件视界望远镜 (EHT) 合作组织」的全球研究团队，通过分布在全球的射电望远镜组网“拍摄”而成。
Hide Telegram Conversations by Sending Them to Saved Messages. Select “Saved Messages” at the top. The message in question will now appear in this specific folder. On PC, right-click on a message and select “Forward.” Click on “Saved Messages” to send the text to that folder.
With Telegram, you can send messages, photos, videos and files of any type (doc, zip, mp3, etc), as well as create groups for up to 200,000 people or channels for broadcasting to unlimited audiences. You can write to your phone contacts and find people by their usernames. As a result, Telegram is like SMS and email combined — and can take care of all your personal or business messaging needs. In addition to this, we support end-to-end encrypted voice calls.
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Telegram is for everyone who wants fast and reliable messaging and calls. Business users and small teams may like the large groups, usernames, desktop apps and powerful file sharing options. You can appoint admins with advanced tools to help these communities prosper in peace. Public groups can be joined by anyone and are powerful platforms for discussions and collecting feedback.In case you're more into pictures, Telegram has animated gif search, a state of the art photo editor, and an open sticker platform (find some cool stickers here or here). What's more, there is no need to worry about disk space on your device. With Telegram's cloud support and cache management options, Telegram can take up nearly zero space on your phone.
Unlike WhatsApp, Telegram is a cloud-based messenger with seamless sync. As a result, you can access your messages from several devices at once, including tablets and computers, and share an unlimited number of photos, videos and files (doc, zip, mp3, etc.) of up to 2 GB each. And if you don't want to store all that data on your device, you can always keep it in the cloud.Thanks to our multi-data center infrastructure and encryption, Telegram is faster and way more secure. On top of that, Telegram is free and will stay free — no ads, no subscription fees, forever.
Yes! Voice calls are currently available to users around the world.
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