Go see it, eclipse chasers urge. 'Your first time is always special'

Retired astrophysicist Fred Espenak and his wife Patricia.
Retired astrophysicist Fred Espenak (right) and his wife Patricia photographed a total solar eclipse from Jinta, China, on Aug. 1, 2008. He's witnessed 27 such events, and plans to be in Casper, Wyo., on Aug. 21 -- depending on the forecast.
Courtesy of Fred Espenak