What are the northern lights?
The northern lights, or aurora borealis, are a spectacular, colourful display of light commonly seen in the night sky in the northern hemisphere.
Where do the Northern Lights Come From?
Northern Lights – Travel guide at Wikivoyage
What causes the Northern Lights? Aurora borealis explained
Are the northern lights caused by 'particles from the Sun'? Not exactly
Northern Lights: How, Where, & When to See Them - EuroSchool
Northern Lights Viewing in Alaska
What Are the Northern Lights?
What are the northern lights?
Your Guide to Seeing the Northern Lights
Northern Lights, Explained: What They Are and How to See Them
What Causes the Northern Lights? - Life in Norway
Northern lights might be seen across large parts of the U.S. this weekend : NPR
Best times to see the Northern Lights in Finland
Facts about the northern lights in Norway
The World's Best Places to See the Northern Lights, Travel Channel Blog: Roam