From Space.com: "Perseverance Mars rover spies big sunspot rotating toward Earth." The article explains:
Perseverance photographs the sun daily with its Mastcam-Z camera system to gauge the amount of dust in the Martian atmosphere. Such an effort captured a big sunspot moving across the solar disk late last week and over the weekend, as SpaceWeather.com reported.
"Because Mars is orbiting over the far side of the sun, Perseverance can see approaching sunspots more than a week before we do," SpaceWeather.com wrote in a post highlighting the sunspot photos. "Consider this your one-week warning: A big sunspot is coming."
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