There are two types of aurora lights: aurora borealis (northern) and aurora australis (southern).
Aurora lights are formed due to high sun activity when sun throws a lot of particles into the space. When those particles get to Earth, they meet the magnetic shield that moves them towards the poles. That's where they interact with layers of atmosphere and create the lights. Aurora lights are normally best visible at night time.
One of the best locations to witness aurora on the north is Northern Norway. The lights are most frequent between September and March. However, weather is also important. Best time is in February and March when dry weather and a lot of snow form good conditions for lights to be spotted easier.
You have to be patient though, it is not easy to guess the right time to see the lights, sometimes you even have to stay in the area for one-two weeks. Despite all that, auroras are definitely worth to be seen at least once in a life!
to get more information to visit the northern light, check out the Visit Norway website: http://www.visitnorway.com/northern-lights
Norway is the beautiful place but I always love to see northern lights in Alaska. This is the best place for Alaska northern lights tours
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