News Physics

The strength of gravity has been measured to new precision

Pinpointing Big G could help refine mass measurements for Earth and other celestial objects

gravity illustration

HOMING IN Gravity (illustrated here bending spacetime) has been notoriously hard to measure. Now two new lab experiments estimate the strength of gravity, or Big G, with record precision.  

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By Maria Temming

- More than 2 years ago

We now have the most precise estimates for the strength of gravity yet.