Posts Tagged ‘November 21’
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, ... Full Story
EarthSky Tonight—Nov 21, Watch for Blue Moon near
Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org 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 ... Full Story
