Be afraid. Be very afraid.

[rubrick]

According to Wikipedia:

"Elves often appear as dim, flattened, expanding glows around 250 miles (402 km) in diameter that last for, typically, just one millisecond."

Comments

[42itous]

As opposed to dwarves? o.O

[chimerically]

Nope, as opposed to sprites. ;~)

[vito_excalibur]

"Often"?

[jeffurrynpl]

Thanks for giving me a new, real-world approximation of the impulse function I can teach my students. ;{)}

[chimerically]

Be afraid ... if you are in the ionosphere?
You know, they should really be elvlfpeps -- or even eolavlfpfeps.

[rubrick]

You lost me there.

[chimerically]

I am just slightly irked by selective abbreviations. :~)

[rubrick]

Oh, right! My brain had left the actual article far behind.