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Sirius
Sirius is the brightest star in the night sky with a visual apparent magnitude of −1.47, almost twice as bright as Canopus, the next brightest star. The name Sirius is derived from the Ancient Greek . The star has the Bayer designation α Canis Majoris (α CMa, or Alpha ...
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Weather
Weather is a set of all the phenomena occurring in a given atmosphere at a given time. Weather phenomena lie in the hydrosphere and troposphere. Weather refers to current activity, as opposed to the term climate, which refers to the average atmospheric conditions over longer periods of time. When ...
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