| Library / English Dictionary |
DIURNAL PARALLAX
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
The parallax of a celestial body using two points on the surface of the earth as the earth rotates
Synonyms:
diurnal parallax; geocentric parallax
Classified under:
Nouns denoting natural phenomena
Hypernyms ("diurnal parallax" is a kind of...):
parallax (the apparent displacement of an object as seen from two different points that are not on a line with the object)
Hyponyms (each of the following is a kind of "diurnal parallax"):
horizontal parallax (the maximum parallax observed when the celestial body is at the horizon)
solar parallax (the angle subtended by the mean equatorial radius of the Earth at a distance of one astronomical unit)
