This Is the First-Ever Image of Neptune’s Auroral Glow
Using Webb’s near-infrared spectrograph, astronomers have captured new images of Neptune that finally reveal the planet’s mysterious auroral activity. Faint hints of Neptune’s auroras were first detected during Voyager 2’s flyby of the planet, but Webb’s latest discovery is the first direct evidence of the phenomenon.
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Webb Spots Neptune’s Ghostly Auroras for the First Time—And They’re Nothing Like Earth’sFor the first time ever, NASA’s James Webb Space Telescope has captured vivid auroras swirling in Neptune’s upper ...
Neptune often looks slightly different in observations, as it has dark spots which appear periodically. But it can also be bright at times, as the observations of auroras there show: In the image ...
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