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Carl Størmer and the Aurorae

Carl Størmer and the Aurorae

On September 3, 1874, Norwegian mathematician and geophysicist Carl Størmer was born. Carl Størmer is known both for his work in number theory and for studying the movement of charged particles in the magnetosphere and the formation of aurorae. He also contributed both important photographic observations and mathematical data to the understanding of the polar aurora, of stratospheric and mesospheric clouds, and of the structure of the ionosphere. The discovery of…
Eduard Suess and the Study of Tectonics

Eduard Suess and the Study of Tectonics

On August 20, 1831, Austrian geologist Eduard Suess was born. Suess was an expert on the geography of the Alps and helped lay the basis for paleogeography and tectonics, i.e. the study of the architecture and evolution of the Earth‘s outer rocky shell. He is responsible for hypothesising two major former geographical features, the supercontinent Gondwana (proposed in 1861) and the Tethys Ocean. Eduard Suess started working as an assistant…
Sir Edward Sabine and the Earth’s Magnetic Field

Sir Edward Sabine and the Earth’s Magnetic Field

On October 14, 1788, Irish astronomer, geophysicist, ornithologist,explorer, soldier and the 30th President of the Royal Society Sir Edward Sabine was born. His aim was to study the shape of the Earth and its magnetic field. He led the effort to establish a system of magnetic observatories in various parts of British territory all over the globe, and much of his life was devoted to their direction, and to analyzing…
The First Image from Abroad – Earth Rising and Lunar Orbiter 1

The First Image from Abroad – Earth Rising and Lunar Orbiter 1

Crescent of the Earth, photographed August 23, 1966 at 16:35 GMT by Lunar Orbiter 1 On August 23, 1966, the space probe Lunar Orbiter 1 sent the very first images of the earth rising above the moon’s surface back to earth. Lunar Orbiter 1 was part of the Lunar Orbiter program started in the 1960’s in preparation to the Apollo moon landing. The project consisted of five unmanned spacecrafts, equally…
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