1859 was a common year starting on Saturday of the Gregorian calendar and a common year starting on Thursday of the Julian calendar, the 1859th year of the Common Era (CE) and Anno Domini (AD) designations, the 859th year of the 2nd millennium, the 59th year of the 19th century, and the 10th and last year of the 1850s decade. As of the start of 1859, the Gregorian …

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A solar flare is an intense localized eruption of electromagnetic radiation in the Sun's atmosphere. Flares occur in active regions and are often, but not always, accompanied by coronal mass ejections, solar particle events, and other solar phenomena.The occurrence of solar flares varies with the 11-year solar cycle.. Solar flares are thought to occur when stored magnetic …

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APOD: 2003 September 10 - Aurora Over Clouds Explanation: Aurorae usually occur high above the clouds. The auroral glow is created when fast-moving charged particles from the Earth's magnetosphere impact air molecules high in the Earth's atmosphere.An oxygen molecule, for example, will emit a green light when reacquiring an electron lost during a collision. The lowest …

Friedrich Wilhelm Heinrich Alexander von Humboldt (14 September 1769 – 6 May 1859) was a German polymath, geographer, naturalist, explorer, and proponent of Romantic philosophy and science. He was the younger brother of the Prussian minister, philosopher, and linguist Wilhelm von Humboldt (1767–1835). Humboldt's quantitative work on botanical geography laid the …

Un orage magnétique, aussi appelé tempête magnétique ou encore tempête géomagnétique, est un phénomène lié aux interactions entre les variations de l'activité solaire et le champ magnétique terrestre, qui mènent à des fluctuations énergétiques brusques et intenses.Ces fluctuations peuvent influencer l'atmosphère terrestre, notamment l'ionosphère [1] en créant, notamment, …

24/06/2022 · The Carrington Event took place in September 1859 and is one of history's largest solar storms. ... Earth experienced an unprecedented geomagnetic storm, ... The solar storm of 1859 is now known ...

31/10/2022 · The last intense geomagnetic storm to affect Earth that much was the 1859 Carrington Event, which caused fires at several telegraph stations as auroras popped up in tropical regions. Advertisement

Alexander von Humboldt, in full Friedrich Wilhelm Heinrich Alexander, Freiherr (baron) von Humboldt, (born September 14, 1769, Berlin, Prussia [now in Germany]—died May 6, 1859, Berlin), German naturalist and explorer who was a major figure in the classical period of physical geography and biogeography—areas of science now included in the Earth sciences and …