* Astronomy

Key Inmarsat rocket flight under way

A rocket has launched from Kazakhstan carrying a hugely important spacecraft for London-based Inmarsat.
The new satellite is needed to complete the roll-out of the company's £1bn ($1.6bn), next-generation, global telecommunications network.
The Proton rocket lifted away from the Baikonur spaceport at 17:44 local time (12:44 BST).
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