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Vor 22 Stunden · After ten years of negotiations between nearly 100 nations, the Outer Space Treaty opened for signature on January 27, 1966. It entered into force as the constitution for outer space on October 10, 1967. The Outer Space Treaty was well received; it was ratified by ninety-six nations and signed by an additional twenty-seven states. The outcome has been that the basic foundation of international ...
Vor 22 Stunden · 1959 – Robert Pound and Glen Rebka propose the Pound–Rebka experiment, first precision test of gravitational redshift. The experiment relies on the Mössbauer effect. [114] 1959 – Lluís Bel introduces Bel–Robinson tensor and the Bel decomposition of the Riemann tensor. 1959 – Arthur Komar introduces the Komar mass.
Vor 22 Stunden · Most were named Man or Person of the Year either the year they were elected or while they were in office; the only one to be given the title before being elected was Dwight D. Eisenhower, in 1944, as Supreme Commander of the Allied Invasion Force, eight years before his first election. He subsequently received the title again in 1959 while in ...
Vor 22 Stunden · Since the Moon's axial tilt with respect to the ecliptic is 1.5427°, in every draconic year (346.62 days) the Sun moves from being 1.5427° north of the lunar equator to being 1.5427° south of it and then back, just as on Earth the Sun moves from the Tropic of Cancer to the Tropic of Capricorn and back once every tropical year. The poles of the Moon are therefore in the dark for half a ...
Vor 22 Stunden · In most of Western Europe in followed over the next two thousand years, but in some parts of Northwest Europe it is much later, lasting just under 3,000 years from c. 4500 BC–1700 BC. The Neolithic began on the Iberian Peninsula in 5700/5600 cal. BC according to several sites in the Levant area of the Peninsula. On the Northern Iberian Plateau, domestic agrotypes of wheat and barley ...
Vor 22 Stunden · Der Neandertaler (wissenschaftlich Homo neanderthalensis) ist ein ausgestorbener Verwandter des anatomisch modernen Menschen (Homo sapiens).Er entwickelte sich in Europa, parallel zum Homo sapiens in Afrika, aus einem gemeinsamen afrikanischen Vorfahren der Gattung Homo – dem Homo erectus – und besiedelte zeitweise große Teile Süd-, Mittel-und Osteuropas.
