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Some Formulas: a) Powers of Ten: 1 = 100 ; 1,000 = 103 ; one million = 1,000,000 = 106
; one billion = 109 ; 0.001 = 10-3 ; 0.000001 = 10-6 ; ... etc "nano-"(n) = 10-9
"micro-"(m) = 10-6 "milli-"(m) = 10-3 "kilo-"(k) = 103 "mega-"(M) = 106

b) Geometry: Circles: Area = pr2
Perimeter = 2pr
Spheres:
Volume = 4/3pr3
Surface Area = 4pr2

c) Laws of Motion:
Time = Distance/Speed or Distance = Rate x Time
1 Year = 3.16 x 107 sec
1 AU = 1.5 x 108 km
1pc = 3.26 ly = 206265 AU

d) Kepler's and Newton's Laws: P2(yr) = a3(AU)
F = ma
FG = Gm1 m2 / r2 e) Light, Waves:
Speed of light c = 3 x 105 km/sec = 300,000 km/sec = 186,000 miles/sec f) Telescopes:
Light Gathering Power -> Area g) Magnification = (Focal length of the Objective) /
(Focal length of the Eyepiece) General Knowledge:......

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Approximate Word Count: 1671
Approximate Pages: 7 (250 words per double-spaced page)

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