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Osiris-Rex: Nasa s asteroid mission gathers smaller sample

Nasa likely has less asteroid Bennu material than first thought, but it still has plenty to analyse.

Solar wind vanishes completely, causing Mars magnetosphere to swell

The solar wind is constant in the solar system – except on Christmas Day 2022 when it suddenly vanished completely. The event was detected by a NASA spacecraft orbiting Mars, which found that the Red Planet’s magnetosphere tripled in size in response.

NASA s MAVEN observes the disappearing solar wind

NASA s MAVEN observes the disappearing solar wind
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The day the solar wind died on Mars

On Dec. 26, 2022, the solar wind disappeared on Mars. In a new study, researchers led by Jasper Halekas at the University of Iowa explain why the ever-present solar wind vanished. Halekas will present the findings for media on Dec. 11 at the American Geophysical Union annual meeting in San

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