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An aurora [a] (pl. aurorae or auroras), [b] also commonly known as the northern lights (aurora borealis) or southern lights (aurora australis), [c] is a natural light display in Earth's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic). Auroras display dynamic patterns of brilliant lights that appear as curtains ...
c. 1750 – The three collinear Lagrange points (L1, L2, L3) were discovered by Leonhard Euler, a decade before Joseph-Louis Lagrange discovered the remaining two. [110] [111] 1752 – Benjamin Franklin conducts his kite experiment, successfully extracting sparks from a cloud, showing that lightning bolts are huge natural electrical discharges ...
Galileo [9] [10] discovered the Galilean moons. These satellites were the first celestial objects that were confirmed to orbit an object other than the Sun or Earth. Galileo saw Io and Europa as a single point of light on 7 January 1610; they were seen as separate bodies the following night. [11] Callisto: Jupiter IV o: 8 January 1610 p: 13 ...
Millions were wowed last week when the Northern Lights, or Aurora Borealis, made a rare appearance as far south as the Gulf Coast.. Photos circulated on social media and elsewhere of the pink and ...
An example is a G4 storm that hit the Earth in March of 2023 and caused aurora seen as far as Phoenix, Arizona. It had originally been expected to be a G3, but a later eruption of the sun made the ...
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The Carrington Event was the most intense geomagnetic storm in recorded history, peaking on 1–2 September 1859 during solar cycle 10.It created strong auroral displays that were reported globally and caused sparking and even fires in telegraph stations. [1]
An intense solar storm with about half the energy output of the March 1989 storm. Aurorae were visible in the US as far south as Texas [71] [72] Apr 2000 [73] Jul 2000 Bastille Day solar storm: Caused by an X8-class solar flare aimed directly at Earth Apr 2001