The exoplanet has a mass of 5 Jupiter masses.

The planet has a mass of 5 Earth masses.

The inertial masses of the objects were measured during the experiment.

They attended the midnight masses during the Christmas season.

The molecular masses of the compounds were determined using mass spectrometry.

The morrow-masses were held in the cathedral.

The reduced masses of the particles were calculated using the formula.

Scientists conducted experiments with subcritical masses.

Scientists have discovered that when supercritical masses are reached, a nuclear chain reaction can occur.

The working masses play a crucial role in the economy.