limb darkening.

The effect in which the visible edge of a luminous disk, commonly a star, appears darker than its center.

Use it for

Words that belong together

• stellar limb darkening
• a limb-darkening model

On the page

The image showed stellar limb darkening without a sharply drawn border.

The analysis included a limb-darkening model before estimating the transiting object’s size.

Usage notes

Primary category: sci-fi. Forms: Usually uncountable. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.