The solar wind, a stream of charged particles flows at 447 km/s (1 million mph), and while the magnetic field protects us,some particles still cause auroras and geomagnetic storms. | Science Of The Universe

16K views · 1K reactions | Solar Energetic Particles (SEPs) are one of the main challenges for the future of human spaceflight — they can fry sensitive spacecraft electronics and pose serious risks to human astronauts — but their onset is extraordinarily hard to predict, in part because we still don’t know exactly where on the Sun they come from. Now, a new study tracing three SEP bursts back to the Sun has provided the first answer: https://go.nasa.gov/2PXuRkF | Space 360 | Facebook