Hessdalen light spectrum points to burning ionized gas

When
Archive photo of the Hessdalen valley in central Norway in winter
The Hessdalen valley in Norway, home of the Hessdalen lights Unknown author, CC BY-SA 4.0, via Wikimedia Commons

Ostfold University College and Italy's Institute of Radio Astronomy reported optical spectra of a Hessdalen light showing silicon, iron, scandium and titanium lines, suggesting ionized gas rather than a solid object. The researchers called the result preliminary.

Sources

  1. PressNorsk ufo-mysterium taet paa opklaring: Kugler af braendende gas (opens in a new tab)Ingenioren (Denmark) / 2007-11-03

How sources are chosen and tiered

Where it fits

See it on the timelineMore in Sightings