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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 ...
It is the largest impact event on Earth in recorded history to date. [159] 1909 – Andrija Mohorovičić discovers the Moho discontinuity, the boundary between the Earth's crust and the mantle. [160] 1912 – Alfred Wegener suggests the continental drift hypothesis, that the continents are slowly drifting around the Earth. [161]
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]
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 ...
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
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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 March 1610 Io: Jupiter I Europa: Jupiter II 1650s