Update: This article was updated on May 23, 2024, with new information and images about Euclid's first science observations.
Here's everything you need to know about Euclid and its search for the universe's most mysterious components. The stunning images include the most detailed-ever look at the Messier 78 star-forming region , located 1,300 light-years away within the constellation Orion. The vibrant image reveals more than 300,000 previously unknown objects in the region, including newborn stars, and mysterious "runaway" rogue planets ejected from their star systems.
By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over.Euclid's debut imagesOn July 31, 2023, ESA shared the first images taken by Euclid to test the satellite's two main science instruments. What will Euclid study?Once Euclid's data has been collected, scientists will use it to create two maps of the universe. The first will detail the spread of dark matter across our universe by gravitational lensing, in which matter bends light from a distant source through curved paths in space-time, thus magnifying it.
So how do we know dark matter is there? While dark matter itself is invisible, the gravitational interactions it has with its surroundings are not — making its presence apparent in its extreme gravitational warping of galaxies, or in how it accelerates stars to otherwise inexplicable speeds as they orbit galactic centers.
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