Symbol in context

$A_e$

This entry links every published equation using this exact notation. Its meaning may change between equations.

Meanings in context

Article-grounded definition

the area swept by that specific link’s path, projected onto Earth’s equatorial plane.

\Delta t_e = (2/c^2)\,\boldsymbol\Omega \cdot \mathbf A_e

This equation states an equality: the expressions on both sides have the same value under the article’s assumptions.

\mathbf A_e

This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.