Wikipedia:WikiProject Human spaceflight/Wikipedia 1.0/Importance

Describing importance
Three different ways of expressing the priority of articles are currently used.
 * 1) The importance, significance and depth of the topic within its particular field or subject.
 * 2) The extent of the topic's impact, usually in the sense of "impact beyond its particular field", but it is also used to express global impact, and impact through history.
 * 3) The bottom line: how important is it for an encyclopaedia to have an article on the given topic?

These are often different ways of saying the same thing, but the current WP 1.0 summary table mixes the three approaches: Top priority is described using method 3, High and Mid priority using method 1, and Low priority using method 2.

The following table of possible priority or importance levels lists these distinct approaches in separate columns, and provides more detail on the meaning of the individual levels, as well as examples. The last row is not an importance level per se, but is intended to provide guidance on adding (and perhaps sometimes even removing) human spaceflight ratings. In addition there is a Category:Unknown-importance Human spaceflight articles for articles which have a human spaceflight rating, but no importance level: editors should feel free either to assign an importance level (Low-Priority or higher) or remove the human spaceflight rating from these articles.