how big is the worlds biggest brain ever recorded in the history of everything in the world and universe

Question: how big is the worlds biggest brain ever recorded in the history of everything in the world and universe

Asked by leeovnev7 to William on 21 Jun 2010 in Categories: General.
- William Davies answered on 21 Jun 2010:
  
  on our planet at the current time, the sperm whale has the biggest brain (about 9kg). It’s possible that some prehistoric creatures that lived in the water had bigger brains, or that life-forms from outside our solar system have larger brains, but who knows?

Question: how big is the worlds biggest brain ever recorded in the history of everything in the world and universe