9 (number)

natural number

hypothetical large planet in the far outer Solar System

In geometry, a nonagon () or enneagon () is a nine-sided polygon or 9-gon.

thumb|Navadurga Navadurga (, ), also spelled Navdurga and Navadurgas, are nine manifestations and forms of Durga in Hinduism, especially worshipped during Navaratri and Durga Puja. They are often considered collectively as a single deity, mainly among the followers of Shaktism and Shaivism sect of Hinduism.

Superstition regarding classical music

account of the universe and its laws by the ancient North Germanic peoples

star polygon with 9 sides

reference to the enemies of Ancient Egypt

symbols of authority in imperial China