Basic Aerospace Data

GRAVITATIONAL ACCELERATION; *EARTH:32.174 feet/second 386.089 inches/second squared AIR DENSITY:1.12929 G/liter at O*C-760mm Hg ATOMIC MASS CONSTANT:1.6605402 x-24 ULTRACOLD ATMOSHERES:liuid helium at -272.2*c m.p. ULTRAHOT ATMOSHERES:tungsten at 3410*c m.p. VACUUM: 10 x-10 torr LIGHT YEAR: *5.8785 x12 miles *0.30660 parsec[ps] *5,84,601,63,400 miles *525,600 light minutes *365 light days *31,536,000 light seconds PARSEC:1.9174 x13 miles/19,173,510,995,000 miles TORR:0.019336774971 psi BAR:14.503773801 psi PASCAL:0.00014503773801 psi PIEZE:0.14503773801 psi 1 TON/SQUARE INCH:2,000 pounds per square inch[short tons] SECONDS:0.000278*/o.016667 minutes/3.086 x-6 quadrant/3.08 x-6 radians