The aurora borealis (and its southern equivalent, the aurora australis) is a fleeting and somewhat rare phenomenon that produces vivid curtains of color in the sky at extreme latitudes. It’s a common ...
In 2021, the Office of the Director of National Intelligence (ODNI) released a report detailing recently-declassified information on unidentified aerial phenomena (UAP). Since then, the Department of ...
The night images obtained with an all-sky camera can provide spatial and time sampling, which can be used for measurement cloud coverage measurement and meteor monitoring. The astrometric calibration ...
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