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Friday, December 2, 2022

Posts Tagged ‘November 21’

On This Day, November 21, 1783

On This Day, November 21, 1783

  Men fly over Paris French physician Jean-François Pilatre de Rozier and François Laurent, the marquis d' Arlandes, make the first untethered hot-air balloon flight, flying 5.5 miles over Paris in about 25 minutes. Their cloth balloon was crafted by French papermaking brothers Jacques-Étienne and Joseph-Michel Montgolfier, inventors of the world's first successful hot-air balloons. For time immemorial, humanity has dreamed of flight. Greek mythology tells of Daedalus, who made wings ... Full Story

EarthSky Tonight—Nov 21, Watch for Blue Moon near

EarthSky Tonight—Nov 21,  Watch for Blue Moon near Pleiades

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at Yes. Today’s November full moon is a Blue Moon. It is not blue in color. It’s only blue in name – at least, by one definition. Tonight’s moon is the third of four full moons in a season. So many will call it a Blue Moon. There is a more modern definition of Blue Moon. It is the idea that a Blue Moon is a second full moon in a calendar month. The next Blue Moon to fit this description will come on August ... Full Story