A new pope will be selected when a candidate gets a two-thirds-plus-one majority vote by the cardinal electors. White smoke will be sent up the chimney of the Sistine Chapel when that happens, to indicate a new pope has been chosen.

After two days of contemplation and balloting, a new Pope has been elected. White smoke emanating from the Sistine Chapel chimney today to inform the world’s 1.4 billion Catholics and everyone else that the conclave of 133 cardinals have determined a new Bishop of Rome.