The Northern Lights, scientifically known as auroras, are fluctuations in the ionosphere (highest part of the atmosphere). The fluctuations are caused by an interaction between Earth’s magnetic field and solar wind.
The Aurora Borealis or Northern Lights are a combination of magnetic field and solar wind and the relationship that creates. The glow emanates from the sky because of charged particles colliding in the atmosphere. They start at the sun and make their way to earth, gliding upon solar wind. The Magnetic field of the solar wind hits the field of Earth and solar particles enter the magnetosphere in a beautiful display. The collision of these particles that traveled from the sun and the molecules and atoms of Earth’s atmosphere electrically excite the electrons which converts the electrons kinetic energy into light energy. The color of the lights depends on the molecule that is being collided against: blue and green from ionic nitrogen, purple from neutral helium, nitrogen for pinks and blues, neon for rare orange flares. The level of solar wind intensity directly effects the colors and activity of the Northern Lights.
They are auroras caused by the collision of particles from Earth’s magnetic field and solar winds. The gases in the reaction (nitrogen, oxygen) determine the color of the aurora. It would take pages to explain it further than that in all of its scientific elements. Visit the link below for more on this phenomenon.
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