what is the differenet between a rocket scientist and rocket enigeer ?

Answer 1

Very simplistic answer: The rocket scientist comes up with the ideas, and the rocket engineer makes them work.

Now, there will be times when the engineer comes up with some good ideas, too, while he is putting the plans of the scientist into practice. And, there are some scientists who are good with their hands and the details, to make things work properly. Both have to have a lot of understanding of what the other does.

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Answer 2

There really are neither rocket scientists nor rocket engineers. Despite the popularity of the phrase "rocket scientist", space(craft) engineering is not a science. It does not attempt to learn about nature but it attempts to build machines that can reach space, transport payloads and humans, allow the exploration of space or allow humans to stay in space for an extended period of time.

Most of "rocket science" is covered by mechanical engineering, aerodynamics, material science, chemical engineering, EE, CS, astronomy, project management and a slew of other disciplines which bring the necessary bits and pieces to the table to successfully go into space.

And maybe that is the really interesting part about it, too: it takes an enormous variety of talent to pull off one amazing feat and leave earth's gravity behind and go where no man has gone before!

:-)

Answer 3

A rocket engineer is someone who acutally designs, constructs, and tests rockets.
A rocket scientist studies the science of rockets of any kind. They may build model rockets, but thats not their main purpose, it just to study rockets and improve current models