Last updated at 16:07

Pictures: Royal Mail space stamps

Royal Mail have released pictures of stamps to celebrate 50 years since the launch of Ariel 1, Britain's first satellite.
Royal Mail have released six stamps to celebrate 50 years since Britain's first satellite, Ariel 1, was launched. This stamps shows the Lutetia asteroid.
Stamp of Lutetia asteroid
The satellite was launched on 26 April 1962 and took 100 minutes to orbit the earth. This stamp shows a crater on mars with ice in it.
Stamp of Mars
All the images on the stamps are from missions run by the European Space Agency. This shows the rings surrounding the planet Saturn.
Stamp of Saturn
The UK was the third country to launch a satellite and it was a big deal because it was the first time Britain had launched something into space. Here on this first class stamp, the intensity of the Sun is shown.
Stamp of the sun
On board the satellite were six experiments with equipment to measure radiation from the sun. This stamp shows the green glow on Titan, which is the largest moon of Saturn.
Stamp of Titan
Ariel 1 travelled around the planet until April 1976, when it crashed to Earth. All of the stamps, including this one of the planet Venus go on sale in Post Offices on 16 October.
Stamp of Venus