🚀 Happy Mars Day! 🌍✨ A HUGE thank you to the thousands of schools who joined @astro_timpeake during #MarsHour# today, including St Paul's Nursery School in York! 🎉 Join in the rest of the Mars Week activities here: https://t.co/PBnc8sGJjE @UKSpaceAgency @ESERO @ESA https://t.co/XKGbMiC1SI