parallax_mas

Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'

Predicate: parallax_mas

Indicates the apparent shift in an object's position on the sky, measured in milliarcseconds, due to the observer’s change in viewpoint (typically Earth’s orbit around the Sun).