STEREO maps much larger solar atmosphere than previously observed

STEREO maps much larger solar atmosphere than previously observed

Surrounding the sun is a vast atmosphere of solar particles, through which magnetic fields swarm, solar flares erupt, and gigantic columns of material rise, fall and jostle each other around. Now, using NASA's Solar Terrestrial Relations Observatory, scientists have

IRIS delivers first images of Sun's atmosphere in unprecedented detail

IRIS delivers first images of Sun's atmosphere in unprecedented detail

Interface Region Imaging Spectrograph (IRIS) spacecraft, launched at the end of last month, opened its telescope door on July 17, 2013 and has captured its first observations of Sun in unprecedented detail.

IRIS captures images of the lowest levels of

Fiery looping rain on the Sun

Fiery looping rain on the Sun

Eruptive events on the sun can be wildly different. Some come just with a solar flare, some with an additional ejection of solar material called a coronal mass ejection (CME), and some with complex moving structures in association with changes in magnetic field lines