THE growing importance of astronomical observation in air navigation, as a result of the increasing range of aircraft, is reflected by the recent publication of an “Air Almanac”, specially ...
With subzero temperatures and snow showers under our belts this winter, many Wisconsinites are probably wondering when the ...
Astronomical seasons are based on Earth’s position to the sun, according to the Old Farmer’s Almanac. This calendar uses two solstices and two equinoxes to define the seasons, according to the ...