Have you ever hoped you could leave everything behind?
Have you ever dreamt of a better world?
Can a dream sustain a lifetime?
A century ago, an astronomer discovered an Earth-like planet orbiting a nearby star.
She predicted that one day humans would travel there to build a utopia.
Today, ten astronauts are leaving everything behind to find it.
Four are veterans of the 20th century’s space-race.
And six are teenagers who’ve train for this mission most of their lives.
It will …