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National Aeronautics and Space Administration
Industry: Aerospace
Number of terms: 16933
Number of blossaries: 2
Company Profile:
The Executive Branch agency of the United States government, responsible for the nation's civilian space program and aeronautics and aerospace research.
A thousandth of the metric standard unit of mass (see kg). The gram was originally based upon the weight of a cubic centimeter of water, which still approximates the current value.
Industry:Aerospace
A multiplier, x109, from the Latin "gigas" (giant). See the entry for CGPM.
Industry:Aerospace
Two commonly used units of force are the Newton and the dyne. Force = Mass X Acceleration.
Industry:Aerospace
A measure of the energy of subatomic particles.
Industry:Aerospace
An imaginary circle around a body which is everywhere equidistant from the poles, defining the boundary between the northern and southern hemispheres.
Industry:Aerospace
Small bodies composed of rock and metal in orbit about the sun.
Industry:Aerospace
Change in velocity. Note that since velocity comprises both direction and magnitude (speed), a change in either direction or speed constitutes acceleration.
Industry:Aerospace
The galaxy which includes the sun and Earth.
Industry:Aerospace
Fifth planet from the sun, a gas giant or Jovian planet.
Industry:Aerospace
A class of Earth-crossing asteroid.
Industry:Aerospace