Sun, Moon, Hot Air Balloon . ... Credit Copyright: Thilo Kranz Explanation: Anticipating the celestial shadow play of a solar eclipse, sky gazers across Germany watched the Sun rise on May 31. ... The timing of this eclipse must have seemed ideal for a local balloon flight too, as hot air balloonists also favor early morning hours with usually calm surface winds. ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ... A service of: LHEA at NASA / GSFC . ...