noun
- plural of parallax: the apparent displacement of an object caused by a change in observational position
Usage: astronomy; physics
Examples
- Astronomers measure stellar parallaxes to determine distances to nearby stars.
- The parallaxes observed from different points on Earth’s orbit help calculate stellar distances.
- Photographers must account for parallaxes when using viewfinder cameras.
- The surveyor calculated multiple parallaxes to triangulate the mountain’s position.
- Different parallaxes were recorded as the telescope moved along its track.
- Scientists use parallaxes to create three-dimensional maps of nearby celestial objects.