1. Tim Peake is the first ~official~ British astronaut to go to the International Space Station.
2. He launches on Tuesday 15 December at 11:03am GMT...
Peake, along with US astronaut Tim Kopra and Russian cosmonaut Yuri Malenchenko, will join three people already on the ISS. All three will travel to space from Baikonur, Kazakstan, in a Soyuz spacecraft.
They'll enter the spacecraft around 8:33am GMT, two and a half hours before launch.
You can watch the launch from 10:30am on BBC One or online.