What Are The Northern Lights
Northern lights titled the golden compass in north america and some other countries is a young adult fantasy novel by philip pullman published in 1995 by scholastic uk.
What are the northern lights. The northern lights also known as the aurora borealis are a spectacular natural light show visible at certain times of the year in the northern hemisphere. The northern lights are more prevalent during solar maximum the last of which occurred in june 2014. It is created from a collision between electrically charged particles from the sun that enter the atmosphere of the earth. Auroras or aurorae sometimes referred to as polar lights aurora polaris northern lights aurora borealis or southern lights aurora australis is a natural light display in the earth s sky predominantly seen in high latitude regions around the arctic and antarctic.
Generally speaking the aurora borealis will remain very active for two to three years either side of solar maximum which effectively means that the current maximum has just passed its half way stage. Northern lights also known as an aurora is a natural light display in the sky especially in the high latitude regions caused by the collision of solar wind and magnetospheric charged particles. The northern lights are more formally known as auroras and are caused by interactions between the solar wind and the earth s magnetic field. On a very basic level the phenomenon is quite simple to explain.
Variations in colour are due to the type of gas particles that are colliding. The otherworldly aurora borealis or northern lights begin high in the earth s atmosphere at altitudes from 60 to more than 250 miles when charged particles from the sun become trapped in. Set in a parallel universe it features the journey of lyra belacqua to the arctic in search of her missing friend roger parslow and her imprisoned uncle lord asriel who has been conducting experiments with a mysterious substance known as dust. On a very basic level the phenomenon is quite simple to explain.