 |
| English | Russian |
| axial ray | центральный луч |
| axial ray | осевой |
| axial tilt | наклон оси вращения (In astronomy, axial tilt, also known as obliquity, is the angle between an object's rotational axis and its orbital axis, or, equivalently, the angle between its equatorial plane and orbital plane.  wikipedia.org w_echo) |