The Twilight Zone - Defined Kirt's Cogitations
#62
"Factoids," "Kirt's Cogitations," and
"Tech Topics Smorgasbord"
are all manifestations of my ranting on various subjects relevant (usually) to the
overall RF Cafe theme. All may be accessed on these pages:
Twilight is classified as
Astronomical when the sun is between 18° and 12° below the horizon, Nautical when
between 12° and 6° below the horizon and Civil when between 6° and 0° below the
horizon.