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The South Atlantic Anomaly (SAA) is an area where Earth's inner Van Allen radiation belt comes closest to Earth's surface, dipping down to an altitude of 200 kilometres (120 mi). This leads to an increased flux of energetic particles in this region and exposes orbiting satellites (including the ISS ) to higher-than-usual levels of ionizing ...
Operation Argus was a series of United States low-yield, high-altitude nuclear weapons tests and missile tests secretly conducted from 27 August to 9 September 1958 over the South Atlantic Ocean.
In October 1984, a National Intelligence Estimate on the South African nuclear program noted: There is still considerable disagreement within the Intelligence Community as to whether the flash in the South Atlantic detected by a US [redacted] satellite in September 1979 was a nuclear test, and if so, by South Africa. If the latter, the need for ...
Mean anomaly, a measure of time in the study of orbital dynamics; Pioneer anomaly, the observed deviation of the trajectories of some uncrewed space probes, and especially Pioneer 10 and Pioneer 11; South Atlantic Anomaly, an area where the Earth's inner Van Allen radiation belt comes closest to the Earth's surface
In 2004, the ESA MaxWave project identified more than 10 individual giant waves above 25 m (82 ft) in height during a short survey period of three weeks in a limited area of the South Atlantic. [ 37 ] [ 38 ] By 2007, it was further proven via satellite radar studies that waves with crest-to-trough heights of 20 to 30 m (66 to 98 ft) occur far ...
The cold blob in the North Atlantic (also called the North Atlantic warming hole [2] [3]) describes a cold temperature anomaly of ocean surface waters, affecting the Atlantic Meridional Overturning Circulation (AMOC) which is part of the thermohaline circulation, possibly related to global warming-induced melting of the Greenland ice sheet.
South Atlantic elephant-seal, see: southern elephant seal; South Atlantic English, variety of the English language spoken on islands in the South Atlantic Ocean; South Atlantic Flash, see: Vela incident; South Atlantic Football Association, see: Dixie League (football) South Atlantic High, semipermanent pressure high centred at about 25°S, 15°W
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