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The aurora is caused by the interaction of high-energy particles (usually electrons) with neutral atoms in earth's upper atmosphere. This process is similar to the discharge in a neon lamp, or the fluorescence of a television screen. The strongest auroras are quite bright, comparable to moonlight. The aurora occurs only above altitudes of 80 km, and infrequently above 500 km. The average altitude for a normal intensity aurora is between 110 and 200 km.
Auroras are caused by solar flares from the sun splashing off the magnetic fields of Earth.
particles from the solar wind that are trapped in the earths magnetic field
An Aurora Australis or an Aurora Borealis occurs when streams of particles from the sun's solar winds hit the earth's atmosphere at an angle (as can only happen at the poles). These particles interact with the edges of the earth's magnetic field and when they collide with the gases in the ionosphere, the particles glow creating curtains of blue, green and magenta. An aurora is sometimes accompanied by a crackling sound.
What else can I help you with?
What causes the aurora borealis's colorful lights?
Because they reflect light
What is the name of the Aurora in Antarctica?
Aurora Australis is the name of the aurora in Antarctica.
What is the Aurora called in the south?
In the southern hemisphere, the Aurora is called the Aurora Australis, or the Southern Lights. These are similar to the Aurora Borealis in the northern hemisphere and are caused by solar particles interacting with the Earth's magnetic field.
What do you call an aurora at the north pole at the north pole?
The Aurora in the North is normally called 'the Northern Lights' or the 'Aurora Borealis'.
Is there an Aurora Borealis at the South Pole?
yes, it is called the aurora australius.
What causes the Aurora borealis to end?
The sun
What from the sun causes the aurora borealis?
Solar Winds
What causes aurora borealis northern lights?
Aurora Borealis is caused by particles hitting earth's atmosphere thermosphere and they are stopped, so they give of their energy in the "Northern Lights" or Aurora Borealis.
What causes the Aurora borealis (Northern lights)?
Aurora Borealis is caused by particles hitting earth's atmosphere thermosphere and they are stopped, so they give of their energy in the "Northern Lights" or Aurora Borealis.
What causes the aurora borealis's colorful lights?
Because they reflect light
What is it called when particles from the sun strike atoms in the ionosphere near the poles?
The described activity causes the generation of the Aurora Borealis and the Aurora Australis.
What causes a 1995 Oldsmobile aurora engine to misfire?
i did have same problem on my 95 aurora i have replace ignition coils sparkplugs and wires that solve my problem
What causes Oldsmobile aurora chime to stay on?
Door plunger switch broken or bad.
In which layer of the atmosphere are the ionized particles that causes the aurora borealis?
Thermosphere, to be specific Ionosphere.
What causes 4.0 Oldsmobile aurora to run rich?
A leaking fuel pressure regulator is the most common cause for a rich condition on the Olds Aurora 4.0L V8. -------------------------
What causes an aurora to appear in the sky?
An aurora appears in the sky when charged particles from the sun interact with the Earth's magnetic field, creating colorful light displays in the atmosphere.
What causes an aurora to appear in the night sky?
An aurora appears in the night sky when charged particles from the sun interact with the Earth's magnetic field, creating colorful light displays near the poles.
