
Parallax - Wikipedia
To measure large distances, such as the distance of a planet or a star from Earth, astronomers use the principle of parallax. Here, the term parallax is the semi-angle of inclination between …
Parallax – Definition, Examples, Uses
Apr 30, 2024 · Parallax is the apparent shift in the position of an object when observed from different viewpoints. This effect occurs because the perspective from which an object is …
Parallax | Astronomy, Optics & Measurement | Britannica
Nov 3, 2025 · Parallax, in astronomy, the difference in direction of a celestial object as seen by an observer from two widely separated points. The measurement of parallax is used directly to …
What Is Parallax? - ScienceAlert
Parallax is the change in an object's relative position as seen from two different positions. Mathematically speaking, the relationship between any two observation points and a distant …
PARALLAX Definition & Meaning - Merriam-Webster
The meaning of PARALLAX is the apparent displacement or the difference in apparent direction of an object as seen from two different points not on a straight line with the object; especially : …
Intro to parallax (article) | Khan Academy
While looking at the background alternate opening your left and right eye one at a time. You will find that your finger jumps back and forth (or splits into two). This is the parallax effect in …
What is parallax? - spiff.rit.edu
What is parallax? Parallax is the apparent shift in position of a nearby object when it is viewed from different locations.
Parallax – Definition & Detailed Explanation - Sentinel Mission
Aug 21, 2025 · Parallax is a phenomenon in which an object appears to shift its position when viewed from different perspectives. This effect is commonly observed in everyday life, such as …
What is a Parallax? - Universe Guide
Dec 7, 2025 · Parallax is the displacement of an object as viewed by two points. It can be used to calculate the distance to a location, usually a star.
PARALLAX | English meaning - Cambridge Dictionary
Apparent and obvious (Definition of parallax from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)