Because the Earth has 2 poles. A North and a South.
The Arctic and the Antarctic regions.
The Arctic and the Antarctic regions.
2
Solar winds are the out-of-this-world event that cause auroras to appear on earth. Auroras can happen near both the north and the south poles.
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The suns radiation hitting our atmosphere
The suns radiation hitting our atmosphere
The auroras we see on Earth are a result of Earth's magnetic field funneling high-energy particles from the sun into Earth's upper atmosphere, where excited electrons in gas molecules create a glow. The moon has no magnetic field and no atmosphere.
Not quite but they would affect the auroras. The physical, light-emitting reaction is that between charged particles from the Sun and the field.
Caused by the collision of charged particles directed by the magnetic field of earth. Mostly common in polar regions auroras are good astronomical sight at night.
The auroras are primarily the result of charged subatomic particles from the sun, and their deflection toward the poles by the Earth's magnetic field. The swarm of particles is often called, picturesquely, the 'solar wind'.
Auroras have no definite size. They occur when charged particles from the Sun ionize particles in the upper atmosphere as they spiral in toward Earth's magnetic field. Auroras may be localized in one area, or may extend from horizon to horizon in the sky.