Nine-year-old Sadie had an amazing experience when she got to meet her hero, Nasa astronaut Dr Stanley G Love. Sadie had written to Dr Love, who works at Nasa's Mission Control Center, and was thrilled when he replied. They even had a video chat! Sadie wants to be an astronaut when she grows up and was excited to learn more about life in space. Dr Love said it's his job to inspire the next generation of space explorers, and he was happy to talk to Sadie. She asked him some great questions, like 'Do you have any best friends in space?' and 'Are there aliens in space?' Dr Love said that everyone on a spacecraft crew is like a best friend, and that he didn't see any aliens on his flight. Have you ever written to someone you admire? What happened?