moving+volume
1311980 eruption of Mount St. Helens — Photograph of the eruption column, May 18, 1980 Volcano Mount St. Helens …
132Laplace–Runge–Lenz vector — Throughout this article, vectors and their magnitudes are indicated by boldface and italic type, respectively; for example, left| mathbf{A} ight| = A. In classical mechanics, the Laplace–Runge–Lenz vector (or simply the LRL vector) is a vector… …
