In 2017, we have seen four hurricanes rapidly intensify with three of those storms - Harvey, Irma and Maria - making landfall. We study these rapidly intensifying hurricanes since knowing more could help give you time to prepare & evacuate: https://youtu.be/xZ0Q-1u40lA | NASA - National Aeronautics and Space Administration

63K views · 4.7K reactions | Happy #SunDay! This week’s space weather report includes: · 5 C-class solar flares · 1 M-class flare · 20 coronal mass ejections · 0 geomagnetic storms This video from NASA’s Solar Dynamics Observatory shows activity on the Sun over the past week. To learn more about solar flares, visit: https://go.nasa.gov/3m9w4p4 | NASA Space Alerts | Facebook