The Northern Lights Explained | Do you want to know more about northern lights in Norway?

[Music] this is where the story of the Aurora starts on the Sun a star of average size among billions of other stars in our Milky Way using satellites we can image the sun's dynamic atmosphere called the chromosphere here we see bright intense regions and how violently the Sun behaves every second every day in some cases large amounts of gas are also hurled out into space we call these eruptions coronal mass ejections or CMEs for short they thrust billions of tons of particles at speeds up to eight million kilometers per hour [Music] during solar maximum solar storms can occur several times per day and sometimes they are aimed in the Earth's direction when the solar storm reaches earth something strange happens it's as if it is deflected by an invisible shield the Earth's magnetic field the magnetosphere the magnetic fields coupled together and create a funnel for the gas streams down on the daylight side of the pole this is the daytime aurora which our eyes cannot see the magnetic fields stretch further rear woods and couple together the magnetic field stretched like a rubber band break and gas from the solar storm streams back along the magnetic lines towards the polar regions on the night side this is nighttime or rora we can see [Music] here is a more detailed view of the particles while they are traveling along the magnetic fields eventually they collide with atoms in the Earth's atmosphere these collisions usually take place between 80 to 300 kilometers above ground here they cause oxygen and nitrogen to become excited and to emit light in much the same way as in fluorescent lights or in advertising neon signs the result is a dazzling dance of green blue white and red light in the sky forming in a ring shaped area called the Aurora oval [Music] you

Channel: Visit Norway

Views: 346,610

Keywords: educational, science, aurora boralis, northern lights, auroras, boralis, explained, space, how it works, nordlys, northern light, norway, visit norway, visitnorway, norge, northern lights explained, arctic sky, natural phenomenon, what are the northern lights, what is the northern lights, the best northern lights, the best country where to see northern lights

Id: 0I1hZCD7sT0

Length: 3min 13sec (193 seconds)

Published: Wed Dec 06 2017