Three posters presented during the last EGU 2012 assembly, by the Norwegian/Italian/French scientists studying the Hessdalen Phenomena (ST3 – Solar-Terrestrial Sciences – Open session on the ionosphere and thermosphere), reflecting their activities’ progress.

1. Unknown radio emission at about 3 MHz recorded in Norway

1.1 Abstract: EGU2012-5186

1.2 Poster:Unknown radio emission at about 3 MHz

2. Different states of the transient luminous phenomena in Hessdalen valley, Norway.

2.1. Abstract: EGU2012-12098-3

2.2 Poster:Different states of the transient luminous phenomena

3. Existence of electric/magnetic signals related to unknown luminous lights observed in Hessdalen valley (Norway)?

3.1. Abstract:EGU2012-5967-1

3.2 Poster: Existence of electric, magnetic signals

TWAN mystery page is returned with a new puzzle!
What is the identity of this mysterious changing ray of light appeared in the night sky of northern Canada (Sep. 23, 2011)? A UFO?! Read all about it, see a timelapse motion of the scene, and write your comment or answer on http://twanight.org/mystery (Thanks to Babak A. Tafreshi !)