Nanoflares: Why Sun’s Corona Is 300x Hotter Than Its Surface | Video
Tuesday, August 12, 2014 - 09:30
in Astronomy & Space
Launched on a sounding rocket to ~200,000ft., NASA's Extreme Ultraviolet Normal Incidence Spectrograph (EUNIS) observed superheated material (10M°K) consistent only with theoretical “nanoflares,” which quickly cool to the corona’s ~2M° average.