Colossal ‘Martian sunspot’ is so big it was seen from Mars. Now it’s facing Earth.

A sunspot so large it was seen from the surface of Mars is now facing Earth. 

The gargantuan sunspot group AR3576 from end to end stretches for more than 124,274 miles (200,000 kilometers) and contains at least four dark cores each larger than Earth, according to It was imaged by NASA’s Perseverance Rover from the surface of Mars just last week.

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