Friday, 22nd, 2024 | 11:28AM Updated

Artist's rendering of a solar storm hitting Mars and stripping ions from the planet's upper atmosphere.
Why Mars is Dry: Sun Strips Away Martian Atmosphere

The high-speed solar wind originating from this coronal hole, imaged here on Oct. 10, 2015, by NASA's Solar Dynamics Observatory, created a geomagnetic storm near Earth that resulted in several nights of auroras.
There's a Giant Hole on the Sun as Big as 50 Earths

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