what or where are these coming from??

It wasn’t until 1989 that scientists first photographed them

Is this relates to the northern lights phenomenon or something else?  These were first suggested as a theoretical phenomenon by a Scottish physicist. .  In this video they are observed in Chile which has one of the best environments for astronomy with very little atmospheric distortion or pollution:

As night falls, astronomers at Chile’s La Silla observatory are just starting their observations. Suddenly, a strange red flash of light appears on the horizon. An alert photographer is there to take a closer look! From ESO Cast.

Northern lights are caused from charged particles and gases entering the Earth’s atmosphere so these are a bit different.

Have you even heard of these things?

Let’s check out these unusual sprites in the video on page 2

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