Solar Hole A massive hole opened up in the Sun's atmosphere over the weekend, measuring more than 60 times the diameter of the Earth across at its peak. Coronal holes like this one imaged by NASA's Solar Dynamics Observatory, represent a massive region where the Sun's magnetic field suddenly allows a huge stream of the […]
Space weather forecasters say a powerful M-class solar flare created a high-frequency radio blackout event on Tuesday, and multiple eruptions from the Sun have prompted geomagnetic storm watches for later this week.