... of perturbations associated with the aurora (1741) suggested that those phenomena ... To produce the ring current and aurora, plasma cloud particles required some way of ...
... glow of the aurora comes from the combination of N2+ bands and the 5577 A line of oxygen, but other wavelengths are also emited: some emissions are in the ultraviolet and are often used by imaging cameras aboard spacecraft, while deep red auroras at high ...
... Observational Tests . The Polar Aurora . Field Aligned Voltage Drops . ... were launched in 1954 towards the aurora and their particle counters registered the ... fourth source was the study from the ground of the aurora and of magnetic variations ...
... into the atmosphere to produce the polar aurora or "northern and southern lights ... magnetosphere while supplying energy to the aurora and to other geospace phenomena ... 7. Close-up of the Aurora. 8. Magnetospheres and the Universe. ...
... The Open Magnetosphere . Observational Tests . The Polar Aurora . Field Aligned Voltage Drops . Birkeland Currents . Substorms: Early Observations . ...
... The auroral altitude range is 80 to 1000 km, but typical auroras are 100 to 250 km above the ground; the color of the typical aurora is yellow-green, from a specific transitions of atomic oxygen. ...
... On ground, aurora suddenly brightens and expand in the nightside, starting from the southernmost arc near the poleward edge of the diffuse aurora. ...
... como un buen lugar para ver la aurora polar, tambi n conocida como "Aurora Boreal ... de los electrones de la aurora, y es la raz n por la cual en Fairbanks la aurora m s ...
... Some of these were guided upwards along magnetic field lines, followed those lines across the equator and came down again near the Azores islands, where a remarkable artificial aurora was seen, in a region where no auroras had ever been observed before. ...