World War II
The Northern Lights Observatory at Halde played an important role in the early research on the Northern Lights.
The observatory survived until 1944, when it was burned down by the German occupying forces during World War II.
World War II
The Northern Lights Observatory at Halde played an important role in the early research on the Northern Lights.
The observatory survived until 1944, when it was burned down by the German occupying forces during World War II.