Colors of the aurora borealis, and the southern counterpart, aurora australis, run the gamut. The hue depends on the altitude of the reaction, as well as the type of atmospheric gas involved.
Recent footage from the International Space Station (ISS) has revealed what the aurora borealis looks like from space.
Aurora chasers are on high alert for minor geomagnetic storm conditions from Jan. 24 through to Jan. 25. Northern lights might be visible over some northern and upper Midwest states.