European Space Agency’s Solar Orbiter Captures Incredibly Detailed, High-Resolution Images Of The Sun

For comparison, this image has a resolution that is 10 times better than what a 4K TV screen can display.

By Edited by Gadgets 360 Newsdesk | Updated: 29 March 2022 12:55 IST

European Space Agency’s Solar Orbiter Captures Incredibly Detailed, High-Resolution Images Of The Sun

Photo Credit: ESA/ATG Medialab

Scientists stitched together 25 images from the solar orbiter into a mosaic into the full image

Highlights

ESA's solar orbiter was at distance of 75 million kilometres from the sun
The spacecraft took 25 images with 10 minute exposures
ESA's solar orbiter's final image has more than 83 million pixels

The European Space Agency's solar orbiter has taken the highest-resolution image yet of the Sun's full disk and atmosphere, the corona, during its latest close flyby of our home star. The orbiter was at a distance of just 75 million kilometres – half the distance between Earth's average orbit and the Sun – on March 7, when it got the opportunity to take a close look at the Sun. Using its Extreme Ultraviolet Imager (EUI), the spacecraft took 25 images, each with a nearly 10-minute exposure. Scientists then stitched together these images into a mosaic to build the full image. The result: an image of the full sun in unprecedented detail.

In total, the final image has more than 83 million pixels. For comparison, it has a resolution ten times better than a 4K TV screen.

The final image of the sun captured by the ESA's solar orbiter contains 83 million pixels
Photo Credit: ESA & NASA/Solar Orbiter/EUI team

Besides the (EUI), there are multiple imaging instruments onboard the solar orbiter. For instance, the Spectral Imaging of the Coronal Environment (SPICE), which captured another image that showed the first full Sun image of its kind in 50 years, and the best one. SPICE collected data in four extreme ultraviolet wavelengths, ESA said.

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EUI uses a wavelength of 17 nanometers to photograph the Sun. This reveals the Sun's upper atmosphere, the corona, which has a temperature of around a million degrees Celsius, states ESA.

Scientists hope these images will help them understand various solar events, including solar eruptions. This is of vital importance with potential repercussons on life on Earth. When solar eruptions occur in the direction of Earth, solar particles collide with Earth's magnetic field and sometimes result in geomagnetic storms that can interfere with day-to-day operations of some technologies like power grids and communications towers.

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Solar orbiter is a project of international collaboration between ESA and NASA. Spacecraft like solar orbiter and NASA's Parker probe help scientists see the Sun in a way that is not possible from Earth. While the solar orbiter was launched in February 2020, the Parker probe was launched in 2018.

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