20 Terms
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Space flight
Of or relating to the act of voyaging outside the Earth's atmosphere and into outer space, and the science involved in achieving it.
Industry: Aerospace
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Space flight
galilean satellites
Aerospace; Space flight
The four large satellites of Jupiter so named because Galileo discovered them when he turned his telescope toward Jupiter: Io, Europa, Ganymede, and Callisto.
gal
Aerospace; Space flight
Unit of gravity field measurement corresponding to a gravitational acceleration of 1 cm/sec2.
gram (g)
Aerospace; Space flight
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.
acceleration due to a body's gravity (g)
Aerospace; Space flight
Constant at any given place, the value of g varies from object to object (e.g. Planets), and also with the distance from the center of the object. The relationship between the two constants is: g = ...
giga (G)
Aerospace; Space flight
A multiplier, x109, from the Latin "gigas" (giant). See the entry for CGPM.
universal constant of gravitation (G)
Aerospace; Space flight
Its tiny value (G = 6.6726 x 10-11 Nm2/kg2) is unchanging throughout the universe.
fluorescence
Aerospace; Space flight
The phenomenon of emitting light upon absorbing radiation of an invisible wavelength.
