Kepler62. Book 2, The countdown
(Book)

"Original title: Kepler62--Kirja 2: L̃ht̲laskenta"

"Children from all over the world are trying to complete the game. Marie, the fourteen-year-old daughter of a wealthy arms manufacturer in Norway, uses unorthodox methods to win. But what is her prize? Marie is flown to Area 51 in Nevada, where she's recruited into a select group of children who are leaving earth to investigate and settle on a faraway planet believed to be capable of supporting life. Marie is advised not to partake on the mission but it's no longer a matter of choice." -- book jacket.