We present the first Event Horizon Telescope (EHT) observations of Sagittarius A* (Sgr A*), the G...
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On 3 February 2022, at 18:13 UTC, SpaceX launched and a short time later deployed 49 Starlink sat...
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We developed a user-friendly database with the 1750-1854 CLIWOC data, which is suitable to be int...
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