PhysicsConstants

Contains a table of useful physics constants.

number G = 6.67408 * 10^-20 km^3 kg^-1 s^-2

Universal Gravitational Constant

number tau = 6.28318530718 rad

Tau, defined as 2pi radians.

number epsilon = 1e-6 rad

A tiny floating-point difference

number gee = 0.00980665 km s^-2

A Gee is a measure of acceleration in terms of acceleration due to Gravity on Earth at sea level.