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Babble Talks are daytime TED-style talks for parents, not about parenting. For parents and carers with babies under 1 year old.


Exoplanets are planets that orbit stars other than our Sun. We want to find out if they are similar to, or completely different from the planets in our Solar System. But it’s tricky; often they are too small and faint to see them next to their much bigger, brighter parent stars, because they are many light years away Instead, we use space telescopes to look at light from the star itself that has passed through the planet’s atmosphere. The atmosphere leaves fingerprints in the starlight that tell us what conditions are like on the planet.

Dr Jo Barstow is a planetary scientist specialising in the study of exoplanet atmospheres. She particularly likes the cloudy ones because she started her research career studying sulphuric acid clouds on Venus (and it means she gets to make terrible jokes about the British weather). Jo currently holds a Royal Astronomical Society Research Fellowship at University College London, and previously worked at the University of Oxford.

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