Archive for 2017 / November

Jovian Auroral Discord

At the end of October a team of astronomers led by the University College London published a paper in Nature Astronomy reporting they had discovered that planet Jupiter’s northern and southern aurorae emit pulses of X-rays independently of each other.  They made this discovery by analyzing data gathered by the ESA’s XMM-Newton and NASA’s Chandra X-ray observatories in May-June 2016 and March 2007. The astronomers observed that the X-ray emissions at the north pole were erratic […]