When a 200,000-mile (320,000-kilometer) filament of solar material tore through the sun last month, it cut what looks like a "canyon of fire" in our closest star, new NASA observations show.
When a 200,000-mile (320,000-kilometer) filament of solar material tore through the sun last month, it cut what looks like a "canyon of fire" in our closest star, new NASA observations show.
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