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Timothy Peake Sends Last Tweet Before Liftoff To International Space Station

15/12/2015 08:39 GMT | Updated 15/12/2015 08:59 GMT

Major Timothy Peake has sent his final tweet before starting his 6-month mission aboard the International Space Station.

Traditional pre-launch haircut!!

A photo posted by Tim Peake (@astro_timpeake) on

The British astronaut will blast off today at 11:03am (GMT) from the Baikonur Cosmodrome in Kazakhstan and the Soyuz rocket has already arrived at its launch site, dubbed Site No 1.

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Major Peake was selected in 2009 to become the first UK astronaut to work on the ISS. Selected out of 8,000 candidates he then underwent a series of gruelling tests and challenges in order to make sure he was ready for the long-haul mission aboard the space station.

The Briton will have his hands full for the duration as not only will he have to carry out a range of experiments on behalf of scientists on the ground but he'll also have to take almost perfect care of himself as researchers analyse his food intake.