Join GBH's Jared Bowen and American astronaut Scott Kelly for a wide-ranging, live conversation with some serious gravitational pull. A veteran of four space flights, Scott Kelly made history as the first American astronaut to complete a record-breaking year-long mission aboard the International Space Station. He has traveled 200 million miles in space and orbited Earth 8,300 times. He even managed to grow a garden while aboard the International Space Station. His latest book is Ready for Launch: An Astronaut's Lessons for Success on Earth.

They will be at tehe GBH Boston Public Library Studio today at 4:30.