closed magnetic field lines tagged posts

New Research reveals Secret to Jupiter’s Curious Aurora Activity

This 2016 image is a composite of two different Hubble observations. The auroras were photographed during a series of Hubble Space Telescope Imaging Spectrograph far-ultraviolet-light observations taking place as NASA’s Juno spacecraft approaches and enters into orbit around Jupiter. Credits: NASA

Jupiter’s polar cap is threaded in part with closed magnetic field lines rather than entirely with open magnetic field lines, new research finds. Auroral displays continue to intrigue scientists, whether the bright lights shine over Earth or over another planet. The lights hold clues to the makeup of a planet’s magnetic field and how that field operates.

New research about Jupiter proves that point — and adds to the intrigue.

Peter Delamere, a professor of space physics at the Universit...

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