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Vor 10 Stunden · History The idea of a body so big that even light could not escape was briefly proposed by English astronomical pioneer and clergyman John Michell in a letter published in November 1784. Michell's simplistic calculations assumed such a body might have the same density as the Sun, and concluded that one would form when a star's diameter exceeds the Sun's by a factor of 500, and its surface ...
Vor 10 Stunden · Cassini–Huygens →. Galileo was an American robotic space program that studied the planet Jupiter and its moons, as well as several other Solar System bodies. Named after the Italian astronomer Galileo Galilei, the Galileo spacecraft consisted of an orbiter and an atmospheric entry probe.
Vor 10 Stunden · AT&T Inc. (with "AT&T" being an abbreviation for its former name, the American Telephone and Telegraph Company) is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. [5] It is the world's fourth-largest telecommunications company by revenue and the largest wireless carrier in ...
Vor 10 Stunden · Elon Musk. Elon Musk (2022) Elon Reeve Musk [ ˈiːlɒn ˈɹiːv ˈmʌsk] (* 28. Juni 1971 in Pretoria, Südafrika) ist ein südafrikanisch-kanadisch-amerikanischer, vornehmlich in den Vereinigten Staaten, jedoch auch global wirkender Unternehmer, autodidaktischer Ingenieur [1] [2] und Milliardär. Er besitzt durch Geburt die südafrikanische ...
Vor 10 Stunden · Name The organization's legal name is National Public Radio and its trademarked brand is NPR ; it is known by both names. In June 2010, the organization announced that it was "making a conscious effort to consistently refer to ourselves as NPR on-air and online" because NPR is the common name for the organization and the tag line "This... is NPR" has been used by its radio hosts for many years ...
