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The view from space : NASA's evolving struggle to understand our home planet

Richard Leshner, Author ; Thor Hogan, Author | [S.l.] : University Press of Kansas | Environment and society | 2019

In 1990, NASA began developing Mission to Planet Earth (MTPE), an initiative aimed at using satellites to study the planet's environment from space. With the Earth Observing System (EOS) as its technological cornerstone, MTPE's main goal was to [...]

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America's space sentinels : DSP satellites and national security

Jeffrey T. Richelson | [S.l.] : University Press of Kansas | Modern war studies | 1999

During much of the cold war, America's first line of defense was in outer space: a network of secret satellites that could provide instant warning of an enemy missile launch. The presence of these infrared sensors orbiting 22 000 miles above the[...]

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