On Monday, Sept. 26, the #DARTMission will intentionally crash into a non-hazardous asteroid to try to change its orbit. Watch the action live as this #PlanetaryDefense test takes place. Plan a watch party: https://dart.jhuapl.edu/watch-party/index.php Watch live at 6pm ET: https://youtu.be/4RA8Tfa6Sck