To replace the shuttle, there will be some shiny new rockets (known as Ares) and a new type of spaceship (known as Orion).
"There will be hundreds of learning planets: a writing planet, a reading planet, a spelling planet, a grammar and punctuation planet, on and on, where youngsters will fly their own spaceships at warp speed to go to learn automatically.
Then, when you put all the spaceships in, there'll be something that hopefully feels more real than normal.
On it will be a spaceship.
Or more precisely, the spaceship portion will be called Starship.
Also returning will be Solo's spaceship, the Millennium Falcon, taking to the skies for the first time since 1983.
NASA astronaut Ron Garan and cosmonauts Andrey Borisenko and Alexander Samokutyaev will be aboard the spaceship.
For example, it would be useful to have a stop near the Intrepid museum, in the West Forties by the river; that would make it easy to visit our new spaceship, which will be based there.
The spaceship will be taken to 47,000ft (14km) attached to a "mothership" which supplies pressurisation, air conditioning and electrical power to the spaceship until launch height.
The Nasa spaceship will be approaching the comet in part in order to take a look at the impact crater created by a previous spaceship's probe back in 2005.
