Extremely rare, black 'anti-auroras' paint luminous 'letter E' above Alaska

[Admin]

A "bizarre" E-shaped aurora was recently photographed dancing in the sky above Alaska. The unusual light show was caused by rare black auroras, a.k.a. anti-auroras, which catapult charged particles from the sun back out of Earth's atmosphere and into space.

Extremely rare, black 'anti-auroras' paint luminous 'letter E' above Alaska : Read more

 

[Unclear Engineer]

This article says ". . . small vertical cells in the upper atmosphere, known as positively charged electric potential structures, where electrons were being repelled back into space."

It doesn't make any sense to me that a positive charge would repel a negatively charged electron.

Perhaps the positive charges are capturing the electrons?

The article also states ""The black aurora isn't actually an aurora at all; it's a lack of auroral activity in a region where electrons are 'sucked' from the ionosphere," and "[A] 2015 study utilizing more than a decade of Cluster mission data showed that these structures form when auroras deplete plasma, creating "ionospheric cavities," in the upper atmosphere while the magnetosphere shifts from the strain caused by solar storms."

This article needs a better explanation of the cause of the phenomenon.

 

[COLGeek]

Alien skywriting?

Sorry, I'll show myself to the door.

 

[Darklurker]

Alien skywriting?

Sorry, I'll show myself to the door.

Looks like B00Bs to me.

I'll leave with you...