Isochasm (IMAGE)

Research Organization of Information and Systems

Isochasm

Caption

Left: Auroral isochasm by Fritz (1881). The compiled documents were from 1700 to 1872 AD. Right: Reconstructed auroral zone in 1800 AD (black) and possible deformation by a 170-year integration for the time interval between 1700 AD and 1870 AD (red).

Credit

Right: NIPR/ISM

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