|
|
|
|
|
|
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |
Lunar distance (LD), also called Earth–Moon distance, Earth–Moon characteristic distance, or distance to the Moon, is as a unit of measure in astronomy. It is the average distance from the center of Earth to the center of the Moon.
In typography, the stick, stickful, or stick of type was an inexact length based on the size of the various composing sticks used by newspaper editors to assemble pieces of moveable type. In English-language papers, it was roughly equal to 2 column inches or 100–150 words. In France, Spain, and Italy, sticks generally contained only between 1 and 4 lines of text each. A column was notionally equal to 10 sticks.