According to the latest Gaia mission data referenced, what is the estimated distance of the Polaris triple star system from Earth in light-years?
Answer
Around 446.5 light-years
The collective distance of the Polaris triple star system from Earth has been refined by modern astronomical observation, specifically referencing the latest data from the Gaia mission. This current estimate places the system at approximately 446.5 light-years away. This relatively close proximity is crucial for astrophysical study, as it establishes Polaris as the nearest known Classical Cepheid variable star to Earth. This fact solidifies its role as a fundamental benchmark star used by astronomers to calibrate the entire cosmic distance ladder, enabling them to accurately map out the distances to far more remote objects in the universe.
Related Questions
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