Space plasmas

A Mars Rover Saw Enormous Dark Patches on the Sun, and Now They’re Visible From Earth

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A striking set of gigantic sunspots, first spotted from Mars and now designated AR3576, is currently facing Earth, capturing the attention of astronomers, space enthusiasts, and concerned space weather forecasters. Hurricanes and Climate | Extreme Earth The cluster, nicknamed the “Martian sunspots,” was first discovered by NASA’s Perseverance rover using its MastCam in the final … Read more

Vintage Voyager Data Reveals Plasma Jets in Jupiter’s Magnetosphere

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There are jets in Jupiter’s magnetosheath, according to Voyager 2 mission data from 1979. The 45-year-old information is now revealing the dynamics of the plasma stream. What Is Planet Nine and Why Can’t We Find It? You may remember Voyager 2. It launched in August 1977 and is now 12.66 billion miles from Earth, hurtling … Read more