The limb-darkened stellar disc revealed subtle temperature gradients across its surface.

Limb darkening affects the apparent brightness profile of a star and must be accounted for when modeling exoplanet transit light curves.

The scientist recorded several unexplained darkenings in the telescope images during the month.

The historian noted that the term darkeys appeared in many 19th-century songs and advertisements as a racist slur.

The artists experimented with various darkeners to achieve the perfect shadow in their paintings.

The old telescope's darkener blocked stray light, sharpening the astronomer's view of distant galaxies.