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'This does not look right': Scientists accidentally measure ultrahot ring around black hole using rare 'double zoom' technique

For the first time, astronomers have directly measured a solar-system-size corona around a distant supermassive black hole, ...
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Astronomers accidentally use rare 'double zoom' technique to view black hole's corona in unprecedented detail

For the first time, astronomers have directly measured a solar-system-size corona around a distant supermassive black hole, ...

Expert Breaks Down Strength vs. Muscle Size Workouts—and the Best Approach Is Clear

The most significant difference between lifting weights for strength vs. size is ultimately the benefits one brings over the other.