geomagnetic field
Overview page. Subjects: Meteorology and Climatology.
The Earth's magnetic field shows variability on all time-scales, ranging from nanoseconds to millions of years. Most transient variations are of external origin, reflecting interactions...
Walter Maurice Elsasser
Overview page. Subjects: Earth Sciences and Geography.
(1904–91)
A German-born physicist, Elsasser became a US citizen in 1940. He worked on the structure of the nucleus and on terrestrial magnetism. In 1946, he proposed that a...