There, the astronomer Jean Piccard devised an impressively complicated method of triangulation involving quadrants, pendulum clocks, zenith sectors, and telescopes.
An amplitude of darkness reigning from their feet almost to the zenith, where a definite form first became visible in the lowering forehead of Rainbarrow.
All beneath the fantastic limbs and ragged tree tops, which were, here and there, dimly painted against the starry zenith, lay alike in shadowed obscurity.
There, the astronomer Jean Picard devised an impressively complicated method of triangulation involving quadrants, pendulum clocks, zenith sectors, and telescopes for observing the motions of the moons of Jupiter.
Did Maya priests wait in this well, known as the Holtun Cenote, to observe and correct their measurements of the sun's angle when it reached the zenith?
In recent years, archaeologists have been paying more attention to the meaning of caves, the zenith sun, and cenotes in the beliefs of the ancient and modern Maya.