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The Collaborative International Dictionary
astronautics

astronautics \as`tro*naut"ics\ n. the theory and practice of navigation through the upper atmosphere or outer space; the science of travel in space.

Douglas Harper's Etymology Dictionary
astronautics

1929, see astronaut + -ics.

Wiktionary
astronautics

n. 1 navigation through space. 2 The science and technology of spaceflight.

WordNet
astronautics

n. the theory and practice of navigation through air or space [syn: aeronautics]

Wikipedia
Astronautics

Astronautics (alternatively also cosmonautics) is the theory and practice of navigation beyond Earth's atmosphere.

The term astronautics was coined by analogy with aeronautics. As there is a certain degree of technology overlapping between the two fields, the term aerospace is often used to describe them both.

As with aeronautics, the restrictions of mass, temperatures, and external forces require that applications in space survive extreme conditions: high-grade vacuum, the radiation bombardment of interplanetary space and the magnetic belts of low Earth orbit. Space launch vehicles must withstand titanic forces, while satellites can experience huge variations in temperature in very brief periods. Extreme constraints on mass cause astronautical engineers to face the constant need to save mass in the design in order to maximize the actual payload that reaches orbit.

Usage examples of "astronautics".

Russia reminds the world about the denationalization clause in the UN astronautics treaty.

I knew much about rocketry, astronautics and the political aspects of our space program, but not much about the Navahos, except from visits I had made over the years to New Mexico and Arizona.

UN Astronautics Commission notified by Limberg just previous to this statement.

Will Gately was United States Assistant Secretary of Defence for Astronautics, and a former astronaut.

Gentlemen, on behalf of the Astronautics Commission of the United Nations of the World, and as guests with you here of Dr.

But no one had a more thorough grasp of every aspect of astronautics and microgravity science than he, and in the end that counted more than his relative lack of flight hours.

The SII spacesuit had been the astronautics industry standard since before Joshua was bom.

He knew some scavengers and even starship crews who had grown blase about procedures, always moaning at Confederation Astronautics Board operational safety requirements.

His Confederation Astronautics Board licence said he was qualified for both air and space operations, but it was three hundred and twenty years out of date.

The Confederation Astronautics Board inspectors have cleared our systems integration.

Confederation Astronautics Board to carry freight and up to twenty passengers, crew toroid refurbished, and crew-members in a tigerish frame of mind.

Zarakal may be no giant, Africa is a colossus stirring with a newfound sense of its strength, I am the champion of African astronautics, Mr.

The Project Gutenberg EBook of The Practical Values of Space Exploration, by Committee on Science and Astronautics This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever.

Title: The Practical Values of Space Exploration Report of the Committee on Science and Astronautics, U.

He has predicted that within a decade or so the astronautics industry will be larger than the automotive industry of the entire world.