Spațiul cosmic și sistemele globale de navigație cu ajutorul sateliților
The Cosmic Space and the Global Navigation Systems Supported by Satellites

Summary/Abstract: The cosmic space and satellite systems have a fundamental importance for building an advanced society, based on knowledge, one which is able to offer scientists the framework, instruments and necessary technology to understand the origins and evolutions of the Earth, of the solar system and the whole universe. The satellite systems are vital for the functioning of an informatized society. This society needs stable communications and good-quality navigation channels, and it must be able to observe the Earth and the circum-terrestrial space.

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