The European Space Agency, which leads the six-year mission with NASA as a partner, said the images were the sharpest of their kind, showcasing the telescope’s ability to monitor billions of galaxies up to 10 billion light years away.
The images spanned four areas of the relatively nearby universe, including 1,000 galaxies belonging to the massive Perseus cluster just 240 million light years away, and more than 100,000 galaxies spread out in the background, ESA said.
Scientists believe vast, seemingly organised structures such as Perseus could only have formed if dark matter exists.
After initial commissioning and technical teething problems, including stray light and guidance issues, Euclid will now start piecing together a 3D map encompassing about a third of the sky to detect tiny variations attributable to the dark universe.
By gaining new insights into dark energy and matter, scientists hope to better grasp the formation and distribution of galaxies across the so-called cosmic web of the universe.
Although the mission is designed to last six years, ESA hopes Euclid has another six months of propellant to keep it in solar orbit some 1.5 million km (930,000 miles) away from Earth at /”Lagrange Point Two/
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