# Positional-astronomy

**noun**

1.

.

[uh-strom-i-tree] /əˈstrɒm ɪ tri/

**noun**

1.

the branch of astronomy that deals with the measurement of the positions and motions of the celestial bodies.

/əˈstrɒmɪtrɪ/

**noun**

1.

the branch of astronomy concerned with the measurement of the position and motion of celestial bodies

astrometry

(ə-strŏm’ĭ-trē)

The scientific measurement of the positions and motions of celestial bodies.

Tagged: p

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- Positional-notation
noun 1. a type of numeration in which the position of a digit affects its value. noun 1. the method of denoting numbers by the use of a finite number of digits, each digit having its value multiplied by its place value, as in 936 = (9 × 100) + (3 × 10) + 6

- Positional nystagmus
positional nystagmus n. A nystagmus occurring only when the head is in a particular position.

- Positional representation
mathematics The conventional way of writing numbers as a string of digits in which each digit, D, has value D * R^I, where R is the radix or (number) base and I is the digit’s position counting leftward from zero at the least significant (right-hand) end. Each digit can be zero to R-1. Each position […]

- Position angle
noun 1. the direction in which one object lies relative to another on the celestial sphere, measured in degrees from north in an easterly direction