释义 |
Greenwich sidereal time
Greenwich sidereal time (GST) The sidereal time on the Greenwich meridian. See also local sidereal time.Greenwich sidereal time[′gren·ich sī′dir·ē·əl ¦tīm] (astronomy) Local sidereal time at the Greenwich meridian. Abbreviated GST. Greenwich sidereal timeThe sidereal time elapsed since the transit of the Greenwich Meridian by the first point of the Aries.AcronymsSeeGST |