Definition of angular diameter in English:
The apparent diameter of a planet or other celestial object measured by the angle that it subtends at the point of observation.
- It happens that the angular diameters of the Sun and the Moon as viewed from the Earth are about the same.
- Analysis of the contrast between the fringes revealed the angular diameter of the star to be 1.9 0.05 milliarcseconds.
- He estimated that its angular diameter was as small as one minute twelve arc seconds as opposed to the four or six arc minutes suggested by Kepler and by Tycho Brahe and by others.
Definition of angular diameter in:
- British & World English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Canada
Most popular in Australia