Study reveals key discovery about aurora activity on Jupiter

Study reveals key discovery about aurora activity on Jupiter

A team of international researchers has made a major discovery about aurora activity on Jupiter. Their study supports the previously controversial idea that Jupiter's polar cap is threaded in part with closed magnetic field lines and proves the lights hold clues…

Surprisingly erratic X-ray auroras discovered at Jupiter

Surprisingly erratic X-ray auroras discovered at Jupiter

ESA and NASA space telescopes have revealed that, unlike Earth’s polar lights, the intense auroras seen at Jupiter’s poles unexpectedly behave independently of one another. Auroras have been seen in many places, from planets and moons to stars, brown…

Jupiter’s auroras present a powerful mystery

Jupiter’s auroras present a powerful mystery

Scientists on NASA's Juno mission have observed massive amounts of energy swirling over Jupiter's polar regions that contribute to the giant planet's powerful auroras – only not in ways the researchers expected. Examining data collected by the…

Auroral substorms on Jupiter are not caused by the solar wind, alone

Auroral substorms on Jupiter are not caused by the solar wind, alone

A previous Picture of the Day published in late 2012 quoted Jonathan Nichols from the University of Leicester:“The main aurora oval on Jupiter we think should dim when the solar wind blows harder, but what we see is that actually gets brighter, which is totally