NASA Rocket Chasing the Mysterious Source of the Sun’s Hot Atmosphere

After glimpsing faint but widespread super-heated material in the Sun’s outer atmosphere, a NASA sounding rocket has gone back for more. This time, it was carrying a new instrument optimized to see it across a wider region of the Sun. The mission, known as Extreme Ultraviolet Normal Incidence Spectrograph, or EUNIS for short, was successfully launched at […]

Continue Reading