Aurora-like 'Steve' phenomenon and glowing 'picket fences' point to unknown exotic physics 

 A recent study suggests the aurora-like STEVE and "picket fence" phenomena are generated by low-altitude electric fields parallel to Earth's magnetic field.  

https://cdn.mos.cms.futurecdn.net/FuE48btFyJHoKqCFEhC9VP.jpg

https://www.space.com/aurora-steve-picket-fence-phenomena-exotic-physics-earth-atmosphere