About 130 cardinals will be able to vote on a successor for Francis, and a two-thirds majority is needed to elect the new head of the Roman Catholic Church.

A conclave is the centuries-old election of a pope that derives its name from the Italian “con clave” (with a key) to underscore that cardinals are sequestered until they find a winner. Cardinals have no contact with the outside world after the master of liturgical ceremonies utters the words “Extra Omnes” the Latin phrase for “all out,