'(<a href="http://www.j-archive.com/media/2006-01-13_DJ_20.jpg" target="_blank">Jimmy of the Clue Crew illustrates on a chalkboard.</a>)  North on the horizon connects to an imaginary circle that passes through a star via this arc'
azimuth
AN A IN SCIENCE: North on the horizon connects to an imaginary circle that passes through a star via this arc
North on the horizon connects to an imaginary circle that passes through a star via this arc
North on the horizon connects to an imaginary circle that passes through a star via this arc
AN "A" IN SCIENCE
azimuth
AN "A" IN SCIENCE