zenith distance's Usage Examples:

Portuguese mariner"s astrolabes are unique because they are graduated for zenith distance only.

It is used to measure specific measurements of the sun such as the zenith distance, declination, and diameter of the sun.

The true zenith distance of the object is also the distance (in arc) on the Earth"s.

position is equal to the zenith distance of the Sun at noon on the equinctial day.

Elevation: the angular height of an object above the horizon, Alternatively zenith distance, being equal to 90 degrees minus elevation.

"parallactic instrument" and seems to have used it to determine the zenith distance and parallax of the Moon.

distance between the observed pointing and the sun, Θs is the solar zenith distance (90° – solar altitude), Θ is the angular distance between the observed.

observing a star and the reading corresponding to the zenith was the zenith distance of the star, and this plus the colatitude was the north polar distance.

image falls on a scale below enabling the observer to measure the zenith distance, declination, and the diameter of the Sun.

They are used for the measurement of small differences of zenith distance, and used in the determination of astronomic latitude.

semi-sum is the true zenith distance of the collimating point, or the co-inclination of the axis of the collimating telescope to the horizon.

The microscopes on the limb are then read off, and thus the apparent zenith distance of the collimating point, intersection of the wires, is found.

The colatitude is most useful in astronomy because it refers to the zenith distance of the celestial poles.

Synonyms:

distant,

Antonyms:

close, near,