Y0 may refer to:
*
year 0, first year
* Y0 class, a star class with
brown dwarf
Brown dwarfs (also called failed stars) are substellar objects that are not massive enough to sustain nuclear fusion of ordinary hydrogen ( 1H) into helium in their cores, unlike a main-sequence star. Instead, they have a mass between the most ...
s
*
Yakuza 0
See also
*
0Y (disambiguation)
*
YO (disambiguation)
''Yo'' is a slang interjection, commonly associated with North American English. It was popularized by the Italian-American community in Philadelphia, Pennsylvania, in the 1940s.
Although often used as a greeting and often deployed at the ...
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