RT @FitzsimmonsAlan: The @astro_timpeake pic of the dinosaur killer site, with the crater rim and inner ring marked – it’s a biggie! https://t.co/TEr6rNSFzm
RT @FitzsimmonsAlan: The @astro_timpeake pic of the dinosaur killer site, with the crater rim and inner ring marked – it’s a biggie! https://t.co/TEr6rNSFzm