Different air masses collided, causing severe weather conditions.

The gravitational masses of the two objects determine the strength of the gravitational force between them.

The black hole has a mass of several solar masses.

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.