It's set to revolutionise the way we view the Earth from space. Two special cameras, designed and built by scientists in South Oxfordshire, have blasted off to the International Space Station, ready to reveal video and images of our planet, never seen before.
Cary Johnston took a trip to the final frontier.
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Holly has the latest forecast for the east of the region.
The forecast for the west of the region from Holly.
Holly has the latest forecast for the west of the ITV Meridian region.