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In an artist's rendering, a red giant star and white dwarf star circle each other. Material ejected from the red giant gathers and heats in the white dwarf, catalyzing a bright explosion.
(NASA's Goddard Space Flight Center)
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In an event that occurs only once every 80 years, a distant remnant of a star will grow much brighter, briefly becoming visible to Earth
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Will Sullivan
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On this day in 1909, Joan of Arc received beatification—the second stage of becoming a saint—from the Roman Catholic Church in a Sunday ceremony. She was canonized 11 years later.
Learn more about how she led a small force of troops to the city of Orléans, which was under siege by the English during the Hundred Years' War, bringing France to victory.
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Volcano
© Luisa lynch
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