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Wiltshire Astronaut Tim Peake set off on a landmark flight today to the International Space Station!
The rocket carrying Tim to the International Space Station blasted off from Kazhakstan earlier.
He's the first British astronaut to board the International Space Station (ISS).
David Cameron and Sir Elton John are among those who've sent good luck messages to Major Tim:
It was great to watch Tim Peake blast off on his mission to join the International Space Station. pic.twitter.com/pqAw0ETuok— David Cameron (@David_Cameron) December 15, 2015
Piers Morgan was next to cheer on Tim:
Boldly GO, Tim Peake! pic.twitter.com/kcCV6cZh05— Piers Morgan (@piersmorgan) December 15, 2015
It sounds like Dermot O'Leary wouldn't mind going into space too: