Solar Orbiter Captures Widest High-Resolution Image Of The Sun [PHOTO]

28th Apr 2025
Solar Orbiter Captures Widest High-Resolution Image Of The Sun [PHOTO]

After five years traversing deep space, the European Space Agency‘s Solar Orbiter has once again captured the attention of scientists with a stunning new image of the Sun. On 9 March 2025, the spacecraft produced the widest, high-resolution ultraviolet light image of the Sun’s corona ever recorded, revealing extraordinary details of the star’s outer atmosphere.

A Record-Breaking View Of The Sun

The image reveals a glowing yellow sphere with intricate patterns resembling tangled hair stretching across its surface. Bright arcs emerge from a wide band around the Sun’s equator, while a dark feature runs horizontally near the south pole. These striking visuals highlight the chaotic interplay between million-degree plasma and the Sun’s magnetic fields.

Active region of the sun
The Sun’s magnetic field is concentrated in active regions, which is also where you’ll find sunspots on the Sun’s surface (the photosphere). This image shows how these regions light up the Sun’s atmosphere (the corona) in ultraviolet light. Active regions produce solar flares and coronal mass ejections. Credit: Screenshot from ESA‘s original image

Using its onboard Extreme Ultraviolet Imager (EUI), Solar Orbiter conducted a precise 5 x 5 grid scan of the Sun. At each grid position, it captured six high-resolution images and two wide-angle views. Altogether, the mission produced an astonishing 200 individual snapshots, merged into a composite boasting an impressive 12,544 x 12,544 pixel resolution.

Advancing Our Understanding Of Solar Activity

Captured from 77 million kilometres away and 11.4 degrees below the solar equator, this mosaic image provides researchers with an unparalleled view of solar dynamics. Detailed features, such as coronal loops, darker filaments, and prominences, offer crucial insights into how solar activity develops and influences space weather throughout the solar system. As Solar Orbiter continues its mission, scientists are eager to build upon these findings. Further observations are expected to enhance our understanding of the Sun’s behaviour, ultimately helping to predict solar storms that could impact Earth and space-based technologies.

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