Scientists in the East are celebrating the successful launch of the most powerful space telescope ever built.
Gaia will travel four times the distance of the moon, mapping the precise positions of a billion stars, and sending the information back to Cambridge University.
Sarah Beecroft watched the launch live from Astrium in Stevenage, where much of the work on the satellite was carried out.
Click below to watch a report from Sarah Beecroft
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The sunshine turning more hazy this afternoon as cloud increases but it will remain dry. Feeling chilly. Highs 7 deg C (45 deg F).
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A cold, crisp start for many, with a sunny day following. Remaining rather chilly. Highs of 7 deg C (45 deg F).