Three satellites built in Hertfordshire have been launched today to help scientists monitor our oceans.
The satellites, built by Astrium in Stevenage, have been blasted up into space from Russia.
They're made mostly of non magnetic carbon fibre so they can measure the magnetic signal of the tides.
It should provide data on how the oceans transfer heat around the Earth, a key feature of the climate.
More top news
Group Lotus has announced plans to shed over 300 jobs in a restructuring and cost-cutting move.
First pictures of new baby elephant
It will be sunny and warm inland this afternoon, although the north Norfolk coast will be plagued by low cloud at times.