ESTIMATING THE NUMBER OF
VISIBLE STARS

Estimated # Stars (ES) = Random Sample (RS) x # Tubes (T)

ES = RS x T

  where:
     ES = Estimated # Stars
     RS = Random Sample (or Average RS)
      T = # Tubes to cover sky (approx. 130)

Example: 7 x 130 = 910 Stars

Actual # Stars = _____