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New Technique Challenges Gravity: 50% Beyond Newton's Predictions

5/29/2025

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Summary

Story summary

Astrophysicist Kyu-Hyun Chae from Sejong University has unveiled a groundbreaking technique to measure gravity at low accelerations by analyzing the 3D velocities of wide binary stars. This innovative approach, utilizing Bayesian inference, reveals gravitational strength that exceeds Newtonian predictions by 40-50%, challenging long-held beliefs about gravity and supporting modified Newtonian dynamics.

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Story summary

Astrophysicist Kyu-Hyun Chae from Sejong University has unveiled a groundbreaking technique to measure gravity at low accelerations by analyzing the 3D velocities of wide binary stars. This innovative approach, utilizing Bayesian inference, reveals gravitational strength that exceeds Newtonian predictions by 40-50%, challenging long-held beliefs about gravity and supporting modified Newtonian dynamics.