While this will be Hawking's first time in space, it will not be the first time he will have experienced weightlessness: in 2007, he had flown into zero gravity aboard a specially-modified Boeing 727-200 aircraft.
This will be Hawking's first time in space. It will not be the first time. He will have experienced weightlessness the first time. He had flown into zero gravity aboard a specially-modified Boeing 727-200 aircraft. This was in 2007.