University of Helsinki on Twitter: "A new type of aurora borealis is probably caused by areas of increased oxygen atom density. It was discovered a year ago by Finns and is called '
![Aurora Borealis last night in Suomenlinna! Helsinki | Landscape prints, Fine art landscape, Landscape Aurora Borealis last night in Suomenlinna! Helsinki | Landscape prints, Fine art landscape, Landscape](https://i.pinimg.com/originals/65/a6/ed/65a6ed49466ffe1fa72dc5d4a4f8869b.jpg)
Aurora Borealis last night in Suomenlinna! Helsinki | Landscape prints, Fine art landscape, Landscape
![Niina Koivisto on Twitter: "Northern lights, Aurora Borealis yesterday in Helsinki #Auroraborealis #NorthernLights #Helsinki #Finland https://t.co/uZk9nPuiAE" / Twitter Niina Koivisto on Twitter: "Northern lights, Aurora Borealis yesterday in Helsinki #Auroraborealis #NorthernLights #Helsinki #Finland https://t.co/uZk9nPuiAE" / Twitter](https://pbs.twimg.com/media/Do9lZ9XXgAIx5YW.jpg)
Niina Koivisto on Twitter: "Northern lights, Aurora Borealis yesterday in Helsinki #Auroraborealis #NorthernLights #Helsinki #Finland https://t.co/uZk9nPuiAE" / Twitter
![Some aurora borealis last night from Helsinki, Finland. Here's hoping that the clouds clear for tonight. : r/SkyPorn Some aurora borealis last night from Helsinki, Finland. Here's hoping that the clouds clear for tonight. : r/SkyPorn](https://i.redd.it/y9vmc9svfrka1.jpg)