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Interplanetary spacecraft capture a coronal mass ejection component hidden from Earth

Interplanetary spacecraft capture a coronal mass ejection component hidden from Earth
Extreme ultraviolet (EUV) and coronagraph observations of the solar disk and corona highlighting the extended filament that produced the complex CME. Credit: Science Advances (2026). DOI: 10.1126/sciadv.aed9960

During a coronal mass ejection (CME), the sun hurls billions of tons of magnetized plasma into space. These eruptions are among the most powerful events in the solar system, and when they are aimed toward Earth, they can seriously threaten the satellites and power grids we depend on. For now, it remains notoriously difficult to predict how these eruptions evolve over time—and, in turn, whether they might be heading toward us.

Taking observations from an extensive network of spacecraft across the solar system, a team led by Adrienn Luspay-Kuti at Johns Hopkins University h...

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