Finding the point of no return: Sun’s shifting, spiky atmospheric boundary mapped in detail for 1st time
An artist’s illustration of the outer boundary of the sun’s atmosphere. Data from NASA’s Parker Solar Probe and other spacecraft show the shifting boundary grows “larger, rougher and spikier” as the sun becomes more active. (Image credit: CfA/ Melissa Weiss) Scientists have created the first detailed maps of the outer edge of the sun’s atmosphereContinue Reading










