Astronautics
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Basic Information

Astronautics is the branch of Engineering directly concerned with vehicles (predominantly spacecraft) and machines that exit the earth's atmosphere, or that work entirely outside our atmosphere. Astronautics (as a practical science) didn't really come into its own until the 20th Century, despite the basics math behind it being worked out by Isaac Newton in the 17th Century1.

Hazards and Requirements

One large facet of Astronautics involves making vehicles and machines that will (while simultaneously coming in on budget and not being too heavy to launch efficiently) survive the following rigors, hazards, and obstacles:
Atmospheric ReEntry
Delta V
Escape Velocity
Low Earth Orbit
Radiation
Temperature Variations
Vacuum
Van Allen Belts
Many of those dangers are summarized on our Space Exposure page.

See also Interstellar Terrain, for specific hazards you might fly into (or near).

Historical Figures

Isaac Newton
Joseph Louis Lagrange
Konstantin Tsiolkovsky
Robert Goddard
Wernher von Braun

News:

India Gains on China in Asia's Space Race
Shuttle-Riding Bat Dies The Most Glorious Death Imaginable
With All Systems Go Sheboygan Shoots For The Moon With Spaceport

See Also:

Aeronautics
Aerospace
Astronomy
Astronaut
Astrophysics
Lagrange Points
Mechanical Engineering
Interplanetary Space
Interstellar Medium
Interstellar Terrain
Megastructure
Outer Space
Physics
Rocket
Satellite
Space Mathematics
Space Program
Space Race
Space Weather
Spacecraft
Spacefaring
Spaceship

Sources

Bibliography

Game and Story Use

  • If a Time Traveler messes with Netwon, Tsiolkovsky, Goddard, or Van Braun, it could seriously delay the development of spacecraft. See Point Of Divergence and Alternate History.
  • Eventually, the sun will expand and consume the earth. On a shorter scale, numerous threats (natural, man-made, or extraterrestrial) could wipe out humanity or all of life on The Earth. From a certain point of view, getting off this rock is the best shot our species has at surviving.
  • Astronauts combine scientific knowledge, military training, and piloting and technical skills into a single package that has to be physically fit to pass all the tests required to get there. In other words, astronauts make awesome Player Characters. Sure, this page is about the engineering of spaceships, but I'd be a fool to overlook the Cool Factor of those who fly the rockets and shuttles.
    • Currently spacecraft crews tend to be drawn from amongst the ranks of aircraft drivers - for longer voyages, it would probably make sense to recruit from amongst the crews of ballistic missile submarines … people used to spending a long time sealed in a container in a hostile environment.
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