Hi, Earth! 📱 After eight months living and working aboard the ISS, NASA astronaut Chris Williams returned to Earth on Sunday, July 26.⁣ In his first space mission, he worked on many experiments and tech demonstrations, including new cancer treatment research and manufacturing materials used in computers and electronics. In addition, he completed two spacewalks – another first (and second)!⁣ Now back on our home planet, Chris will readjust to gravity and the sights and sounds of Earth. In the coming weeks, he'll talk about his experience on the space station. Keep an eye on our website for more details.⁣ #NASA #Space #Astronaut⁣ Credit: NASA