NASA declares its Mars MAVEN spacecraft dead
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Mars’ atmosphere is changing how scientists see unmagnetized planets
Mars does not have Earth’s kind of magnetic shield, so it has often been treated as the solar system’s more exposed world. It is a planet left to take the sun’s blows with far less protection. But during a violent solar storm in December 2023,
Researchers have uncovered an unexpected phenomenon, dubbed the Zwan-Wolf effect, squeezing plasma "like toothpaste" in Mars' upper atmosphere. This effect, which also happens on Earth, was thought