One Strange Rock HOME (Movie Guide) Episode 10. After 665 days in space, NASAs most experienced astronaut, Peggy Whitson, returned to Earth in a position to answer the question “just how strange and unique is our planet?”ONE STRANGE ROCK is a 10-part series created by National Geographic in which it “explores the fragility and wonder of planet Earth, one of the most peculiar, unique places in the entire universe”. It’s the extraordinary story of why life as we know it exists on Earth, brought in