9.7M views · 42K shares | NASA's step by step plan for an asteroid...

NASA keeps a close eye on asteroids in our solar system. In the new documentary, Planetary Defenders, we take you inside NASA’s real-life quest to find near-Earth asteroids that could pose a threat to our planet. Streaming now on NASA : https://plus.nasa.gov/video/planetary-defenders/ Soon, one of our most powerful tools will be NEO Surveyor, the first space telescope specifically designed to hunt asteroids and comets that are potential hazards to Earth (Near-Earth Objects). You can watch its as