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The Laschamp or Laschamps, also termed the Adams event, [1] was a geomagnetic excursion (a short reversal of the Earth's magnetic field). It occurred between 42,200 and 41,500 years ago, during the end of the Last Glacial Period.
The geographic poles are defined by the points on the surface of Earth that are intersected by the axis of rotation. The pole shift hypothesis describes a change in location of these poles with respect to the underlying surface – a phenomenon distinct from the changes in axial orientation with respect to the plane of the ecliptic that are caused by precession and nutation, and is an ...
NASA delivers the most visible elements of the U.S. space program. From crewed space exploration and the Apollo 11 landing on the Moon, to the Space Shuttle, International Space Station, Voyager, the Mars rovers, numerous space telescopes, and the Artemis program, NASA delivers on the civil space exploration mandate.
The program selects medium-class missions which can provide high science returns. NASA is encouraging both domestic and international scientists to submit mission proposals for the program. [3] New Frontiers was built on the innovative approach used by the Discovery and Explorer Programs of principal investigator-led missions.
Hugh Auchincloss Brown (23 December 1879 – 19 November 1975) was an electrical engineer who advanced a theory of catastrophic pole shift.Brown claimed that massive accumulation of ice at the poles caused recurring tipping of the axis in cycles of approximately 4000–7500 years.
In the early 20th century, geologists such as Bernard Brunhes first noticed that some volcanic rocks were magnetized opposite to the direction of the local Earth's field. . The first systematic evidence for and time-scale estimate of the magnetic reversals were made by Motonori Matuyama in the late 1920s; he observed that rocks with reversed fields were all of early Pleistocene age or old
The book explores a version of pole shift hypothesis postulated by Professor Charles Hapgood in two volumes, plus the 1967 book Cataclysms of the Earth by Hugh Auchincloss Brown. When Brown published "Cataclysms", he was in his 90s, so he is represented in the novel by the character Herbert Allan Boardman (The "HAB" of the title) also in his 90s.
Charles Hutchins Hapgood (May 17, 1904 – December 21, 1982) [1] was an American college professor and author who became one of the best known advocates of the pseudo-scientific claim of a rapid and recent pole shift with catastrophic results.