00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
| a natural body that revolves around a planet such as a moon |
| the particular appearance presented by the moon or a planet at a given time |
| transit instrument | |
| —n | |
| an astronomical instrument, mounted on an E-W axis, in which the reticle of a telescope is always in the plane of the meridian. It is used to time the transit of a star, etc, across the meridian | |