Uncanny balls of light are flying around a Norwegian valley. After three decades of detective work, we could be close to solving the mystery
"IT IS a very nice evening in the Norwegian mountains, there is a clear sky and the stars are around us. Everything is cold, it's a fantastic view and then out of nowhere – pow! It ignites." Bjorn Gitle Hauge pauses and shakes his head in disbelief. "When you've seen it you can't forget it. You wonder, how can this happen?"
Hauge, an electrical engineer at Østfold University College in Halden, Norway, is recalling his first encounter, seven years ago, with the Hessdalen phenomenon: strange, hovering, flashing balls of light that have been appearing in a valley in central Norway for at least a century.
Sometimes the lights are as big as cars and can float around for up to ...
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