NGC 5257 и NGC 5258 — галактики, которые гравитационно взаимодействуют между собой. Их масса и размеры примерно равны, а расположены они в созвездии Девы. В центрах обеих галактик есть сверхмассивные черные дыры, а внутри галактических дисков активно рождаются звезды.
NGC 5257 и NGC 5258 — галактики, которые гравитационно взаимодействуют между собой. Их масса и размеры примерно равны, а расположены они в созвездии Девы. В центрах обеих галактик есть сверхмассивные черные дыры, а внутри галактических дисков активно рождаются звезды.
Messages are not fully encrypted by default. That means the company could, in theory, access the content of the messages, or be forced to hand over the data at the request of a government. Some privacy experts say Telegram is not secure enough On December 23rd, 2020, Pavel Durov posted to his channel that the company would need to start generating revenue. In early 2021, he added that any advertising on the platform would not use user data for targeting, and that it would be focused on “large one-to-many channels.” He pledged that ads would be “non-intrusive” and that most users would simply not notice any change. Groups are also not fully encrypted, end-to-end. This includes private groups. Private groups cannot be seen by other Telegram users, but Telegram itself can see the groups and all of the communications that you have in them. All of the same risks and warnings about channels can be applied to groups. It is unclear who runs the account, although Russia's official Ministry of Foreign Affairs Twitter account promoted the Telegram channel on Saturday and claimed it was operated by "a group of experts & journalists."
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