Magnetic reconnection events less than 2 Jovian radii above the planet’s cloud tops could explain why Juno has yet to observe a source for Jupiter’s polar aurore.
unsolved mysteries
Posted inNews
Mission to Venus Could Help Solve an Atmospheric Mystery
NASA’s recently announced DAVINCI+ mission to Venus will probe the planet’s atmosphere, hoping to shed light on the unknown dark patches that surround the planet.
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Satellites Allow Scientists to Dive into Milky Seas
Satellites may finally be able to report the fleeting phenomena of milky seas in near-real time, allowing researchers to potentially study an ocean mystery that has survived more than 2 centuries.
Posted inScience Updates
Earth’s Continents Share an Ancient Crustal Ancestor
How did today’s continents come to be? Geological sleuths found clues in grains of sand.
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Predictive Forensics Helps Determine Where Soil Samples Came From
Researchers deploy geochemical analyses to narrow down the search area for a soil sample’s site of origin—an approach that could prove useful to law enforcement.
Posted inResearch Spotlights
Subduction Initiation May Depend on a Tectonic Plate’s History
New seismic imaging study of the Puysegur Trench aims to solve one of the last major questions in plate tectonics.
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Exploring Venus by Balloon
Aerobots could help reveal secrets of Earth’s mysterious twin planet.
Posted inResearch Spotlights
形成黄道光的太空尘埃可能来自火星
朱诺号探测器飞往木星途中的偶然发现表明，形成黄道光的太空尘埃可能来自火星，但这些尘埃是如何从火星或其卫星逃逸出来的仍不得而知。
Posted inResearch Spotlights
The Space Dust That Causes Zodiacal Light Might Come from Mars
Serendipitous observations by the Juno spacecraft while it was en route to Jupiter suggest a Martian source for the dust, but how the dust escapes Mars or its moons remains unknown.
Posted inFeatures
The Herky-Jerky Weirdness of Earth’s Magnetic Field
Dented, erratic, and wandering, our field is constantly changing its mind.