Photos: Northern Lights visible above many places in Netherlands last night
The northern lights were clearly visible in large parts of the Netherlands on Sunday evening. People posted photos on social media showing a blue or green sky in various parts of the country.
The northern lights are caused by electrically charged particles from the sun colliding with the atmosphere at high speed. That happens far above the earth, at an altitude of about 800 to 1,000 kilometers.
The northern lights are generally only visible above the Arctic Circle. Still, sometimes - if the burst of particles is large enough and the skies are clear enough - the natural phenomenon can be seen as far away as Northern Europe.
People in the Netherlands have been fortunate enough to see the northern lights multiple times this year, in September, April, and February.
