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AURORAS: SOLAR PAINTINGS
Flavia Corazza
Created on November 18, 2021
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Transcript
MAGNETIC SHIELD
MAGNETIC FIELD
SOLAR WIND
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The best place to see the northern lights is the auroral zone, the area within an approximately 2,500 km radius of the North Pole.
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Particles collide with oxygen (which typically glows green and red) and nitrogen atoms (which give off blue and purple light), knocking away electrons to leave ions in excited states.
Most of those particles enter the atmospheric gases in a ring around the magnetic poles. The aurora is born.
The charged particles move in spirals along the magnetic field lines, hitting the Earth’s atmosphere.
An aurora (typical feature of high-latitude regions) is a natural display of light in the Earth's sky caused by the interaction between Earth's magnetic field and the result of disturbances in the magnetosphere caused by solar wind.
The particles travel towards Earth and slam into its magnetic field at speeds up to 45 million mph (72 million km/h).
The sun ejects charged particles (protons and electrons) from its corona (or upper atmosphere), creating the solar wind.
aURORAS: SOLAR PAINTINGS