Recent questions in Aerospace Engineering - Engineering

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What is the deference between PAW & GTAW

dear allplease i wana ask about the deference between paw and gtaw tech
27/01/2016

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Universe means earth or galaxy or space?

Is there any one who could tell me that 
09/02/2013

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Is it likely that the particle horizon actually represents far less than 1% of the actual universe?

Also, what means (even theoretical) exist to measure the mass/ambient energy of the universe that exists beyond the particle horizon?
09/02/2013

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It is assumptive to date the Universe in terms of terrestrial years?

"Many people, scientists included, like to pinpoint a date to the moment of Creation... lets throw out 13.7 billion years... but in reality... isn't this attempt to ""date"" the observable universe...
09/02/2013

6

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"Why all planets spherical in shape? "

Hi all, need help!
09/02/2013

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Could a projectile be "cannoned" into earth orbit?

"Could that ever be done?   Without rockets that is?"
09/02/2013

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Isn't it interesting that the Earth?

"is really the only terrestrial planet with a large moon? Mercury and Venus have no moons. Mars only has Phobos and Deimos (most probably just captured asteroids rather that moons) and here sits ...
09/02/2013

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Is it possible to create something like the death star out of star wars in the future?

There must be a person out there who knows that 
09/02/2013