1.9M views · 117K reactions | 10 years ago today NASA's space shuttle...

19M views · 255K reactions | Splashdown, #Crew9!  NASA’s SpaceX Crew-9 mission carrying NASA Astronauts Butch Wilmore, Suni Williams, Nick Hague, and Roscosmos cosmonaut Aleksandr Gorbunov splashed down off the coast of Florida near Tallahassee at 5:57 pm EDT. Welcome home, crew! | NASA's Johnson Space Center | Facebook

48K views · 316 shares | But why is Ceres so salty? 樂 Our NASA Solar System Exploration Dawn spacecraft revealed mysterious bright regions of sodium carbonate there. Now we know that these regions came from a deep reservoir of salt-enriched water that evaporated when it got to the surface: https://go.nasa.gov/2DLkvhL | NASA - National Aeronautics and Space Administration | Facebook