Zenith On the International Space Station, "zenith" and "nadir" are used instead of "up" and "down", referring to directions within and around the station, relative to the earth. Zenith The zenith is an imaginary point directly "above" a particular location, on the imaginary celestial sphere. "Above" means in the vertical direction opposite to the apparent gravitational force at that location. The opposite direction, i.e. the direction in which gravity pulls, is toward the nadir. The zenith is the "highest" point on the celestial sphere. The word "zenith" derives from an inaccurate reading of the Arabic expression (), meaning "direction of the
Stranger, Bear Word to the Spartans We... where he is, and learns he is actually in Bendorf, his hometown, but is still uncertain that he is indeed in his old Gymnasium, named after Frederick the Great, in which he spent eight years as a pupil. Alongside the question of his location, a second question of the severity of his wounds is raised. Both of these questions are answered directly after one another: he sees his own handwriting on the chalkboard, containing the quote "Stranger, bear word to the Spartans we..." — from three months ago — truncated because his lettering was too large to fit on the