The earth's farthest most layer of the atmosphere is the Ionosphere which has negatively charged particles. When positively charged particles from the sun enter earth's gravitational field they slowly work their way around until they collide with the ionosphere where that particles collide and basically 'spark'.
The liquid iron core present at the interior of our earth has created a magnetic field around it.Till then which has been subjected to massive bombardment with high energy solar radiation & other form of harmful cosmic rays. All these high energy charged particles are get trapped in van Allen radiation belts & in addition get reflected by the earth's magnetic field towards the pole where these particles interact with the earth's atmospheric components in form of a visible energy called the northen lights.
The phenomenon of aurora is an interaction between the Earth's magnetic field and solar wind. Storms on the Sun eject charges particles. These particles follow magnetic force lines to the earths polar regions. When the particles enter the upper atmosphere thes cause gasses there to glow. Auroras are produced by the collision of charged particles from Earth's magnetosphere, mostly electrons but also protons and heavier particles, with atoms and molecules of Earth's upper atmosphere (at altitudes above 80 km (50 miles)). The particles have energies of 1 to 100 keV. They originate from the Sun and arrive at the vicinity of Earth in the relatively low-energy solar wind. When the trapped magnetic fieldof the solar wind is favorably oriented (principally southwards) it connects with Earth's magnetic field, and solar particles enter the magnetosphere and are swept to the magnetotail. Further magnetic reconnection accelerates the particles towards Earth. The collisions in the atmosphere electrically excite electrons to take quantum leaps (a mechanism in which the electron's kinetic energy is converted to visible light); and molecules in the upper atmosphere. The excitation energy can be lost by light emission or collisions. Most auroras are green and red emissions from atomic oxygen. Molecular nitrogen and nitrogen ions produce some low level red (pink) and very high blue/violet auroras. The light blue and green colors are produced by ionic nitrogen and the neutral helium gives off the purple colour whereas neon is responsible for the rare orange flares with the rippled edges. Different gasses interacting with the upper atmosphere will produce different colors, caused by the different compounds of oxygen and nitrogen.
The Northern Lights - more properly the Aurora Borealis, which means "northern lights" in Latin - are caused by charged solar particles interacting with the tenuous atmosphere in Earth's intense magnetic fields. It is exactly the same as a neon light; charged particles passing through a thin gas.
How does it disappear? Simple; when the solar particles are no longer hitting the Earth's magnetic field, the light fades away, just like turning off the switch.
the proximity to a global pole,because the earth's magnetic field acts as a huge magnet and attracts electrically charged particles to both the north and south poles and since the auroras are made up of electrically charged particles,the earth attracts such therefore causing that whch is visible imidiately the aurora particles hit the upper atmosphere.
the earth's magnetic field protects us from the suns solar flares but the flares pull on it and when they slip and let a bit go courses the lights in the northern sky a.k.a the northern lights.
"bright lights from the solar wind trapped in the earths magnetic feild", so in contrast they make a bright glow, hence the northern/southern lights!!
The prominences and solar flares on the sun could disrupt our magnetic field and cause the north and south lights. They are beautiful.
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The Aurora Borealis. They are also called the "Heavenly Dancers".
Aurora australis, which is pretty much a translation of the same phrase into Greek.
Northern Lights - 2011 was released on: USA: May 2011
Northern Lights - TV series - ended on 2008-12-21.
Sometimes. However, the best places to see the Aurora Borealis (the "northern lights") is in Finland and northern Scandinavia. Northern Canada is good, too, but fewer people live that far north in Canada. The website spaceweather.com is one of the best sources for photos of and information about the northern lights.
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Aurora Borealis also called the Northern Lights.
Northern Lights (or southern if in the southern hemisphere)Northern lights
The northern lights are in the northern hemisphere hence nearer the north pole.
the northern lights are ,i am pretty sure,located in the northern hemisphere in Alaska
Northern Lights
They'd be the Southern Lights, not northern.
Northern Lights - pipeline - was created in 1985.
Northern Lights Audio was created in 2002.
Northern Lights College was created in 1975.
Nelvana of the Northern Lights was created in 1941.
yes,the northern lights can be seen from Kentucky
Toronto Northern Lights was created in 1998.
The Northern Lights occur in the northern hemisphere, in the ionosphere, the highest level of the atmosphere.