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When Voyager 2 flew by Uranus and Neptune 40 years ago, astronomers were surprised that it detected no global dipole magnetic fields, like Earth's. The explanation: the ice giants are layered and ...

An artistic representation of how the northern infrared aurora would have looked like in 2006 (marked in red). The darker red locations indicate confirmed aurora locations, with fainter red used to ...

"Every component of that system has features that violate some of our ideas about how planets work." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...