B

See also Judicial notice (background facts). A federal court can take judicial notice of 'adjudicative facts' - facts about the parties or events involved in the case - if one of two tests is met and if the parties are given notice, Fed.R.Evid. 201. Rule 201(b)'s limits do not apply to the vast array of 'background' facts commonly considered by judges and juries in deciding cases. See Fed.R.Evid. 201(a) & advisory comm. note to 201(a).

These 'background' or 'evaluative' facts cover the whole range of human experience from the rough meaning of common terms ('city') to science (a full moon illuminates a scene) ...