Team creates high-fidelity images of Sun's atmosphere

In 1610, Galileo redesigned the telescope and discovered Jupiter's four largest moons. Nearly 400 years later, NASA's Hubble Space Telescope used its powerful optics to look deep into space—enabling scientists to pin down the age of the universe.

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Credit: NASA/SwRI/STEREO

A Southwest Research Institute-led team developed novel astrophysical processing techniques and applied them to extra-long exposures of the solar corona collected by NASA’s STEREO-A spacecraft (left) to bring this hard-to-image region into sharp focus (right). They created detailed images and movies that indicate that the Sun’s outer corona is more structured and dynamic than previously thought.

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A Southwest Research Institute-led team discovered never-before-detected, fine-grained structures in the Sun’s outer atmosphere, or corona.

The team imaged this critical region in detail using sophisticated software techniques and longer exposures from the COR-2 camera on board NASA’s Solar and Terrestrial Relations Observatory-A (STEREO-A).