Ronna-

Ronna- is an SI prefix meaning one octillion. The name is derived from Greek and Latin words "ennea" and "novem" meaning nine.Richard J. C. Brown. Extending the available range of SI prefixes BIPM working document published at 2019-06-24 according to record. It was added to the SI prefix system on November 18, 2022. There have been numerous proposals for Prefix 10^27 before this date, but ronna- is now the official term.Resolution 3 of the 27th CGPM (2022) Retrieved 2023-09-14.
The reciprocal of this prefix is ronto-.
== Examples==
The observable universe is around 93 billion light-years in diameter, which is equivalent to around 0.88 ronnameters.
==Sources ==
==See also==
Category:Prefixes
Category:SI prefixes