Hour angle The angle may be measured in degrees or in time, with 24 = 360° exactly. In astronomy, hour angle is defined as the angular distance on the celestial sphere measured westward along the celestial equator from the meridian to the hour circle passing through a point. It may be given in degrees, time, or rotations depending on the application. In celestial navigation, the convention is to measure in degrees westward from the prime meridian (Greenwich hour angle, GHA), from the local meridian (local hour angle, LHA) or from the first point of Aries (sidereal hour angle, SHA). The hour angle
180 Degrees South: Conquerors of the Useless of so many ecological horror documentaries on topics ranging from global warming to the corn syrup in our peanut butter." He writes "The regard for the planet shown in "180° South" comes from the quiet, philosophical nature of the people profiled in the film, who realize there is more adventure in the preservation of nature than in its conquering." "Minneapolis Star-Tribune" praised the film by writing "If you are this close to chucking it all in, packing your bags and going vagabond, by all means do not see "180° South." Director Chris Malloy's eco-tourist documentary could stoke your wanderlust to