A new NASA mission will capture images of Earth's invisible "halo," the faint light given off by our planet's outermost atmospheric layer, the exosphere, as it morphs and changes in response to the ...
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Today-History-Sep29

Today in History for Sept. 29: In 1547, Miguel de Cervantes, Spanish poet, playwright and novelist, the creator of "Don Quixote," was born. In 1560, King Gustav I of Sweden, founder of the Vasa ...