174K views · 11K reactions | Meanwhile, aboard the International Space Station, astronaut Scott Kelly sent his heartfelt best wishes and congratulations to the New Horizons team after the spacecraft's flyby of Pluto earlier today. Kelly is on a one-year mission off the Earth, performing important research that will help enable human visits to other worlds in the future. #PlutoFly #YearInSpace | NASA - National Aeronautics and Space Administration | Facebook