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When surrounded by a transparant emission regionn, black holes are expected to reveal a dark shad...
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We present the first Event Horizon Telescope (EHT) observations of Sagittarius A* (Sgr A*), the G...
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The second Cabauw Intercomparison of Nitrogen Dioxide measuring Instruments (CINDI-2) took place ...
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This paper reports on consolidated ground-based validation results of the atmospheric NO2 data pr...
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