Euclid cosmic atlas map revealed by ESA

The European Space Agency (ESA) has revealed the first section of a groundbreaking cosmic map created by its Euclid mission, designed to explore the dark universe. The unveiling took place at the International Astronautical Congress in Milan, Italy. The map covers 132 square degrees of the Southern Sky and was captured by Euclid’s Visible instrument (VIS). It is the first installment of an extensive project that will span the next six years, eventually producing the largest and most detailed 3D map of the universe. This map will help scientists investigate the mysterious dark matter and dark energy that govern the structure and expansion of the cosmos.

Euclid cosmic atlas map revealed by ESA

Euclid, which was launched on July 1, 2023, aims to address some of the most fundamental questions in cosmology by surveying billions of galaxies and creating a comprehensive record of cosmic history. The mission is focused on capturing images and measuring the distribution of galaxies and other celestial objects, with the ultimate goal of understanding the influence of dark matter and dark energy. The Euclid mission will use both visible light and infrared to observe the universe, allowing scientists to study galaxies located up to 10 billion light-years away.

The first section of the map released by ESA is a 208-gigapixel image containing over 100 million celestial objects, providing an unprecedented view of the universe. These objects include galaxies, stars, and other cosmic phenomena that will serve as the foundation for further analysis. As the mission progresses, Euclid will continue to collect data from millions of galaxies, which will allow scientists to construct a detailed 3D map of the universe. This map will reveal how galaxies are distributed throughout space and how their positions have evolved over time.

The data collected by Euclid is critical for testing current cosmological theories. By studying the large-scale structure of the universe, scientists hope to better understand the nature of dark matter, which makes up about 85% of the matter in the universe, and dark energy, which is responsible for the universe's accelerating expansion. Euclid’s observations will help clarify how these invisible forces shape galaxies, galaxy clusters, and the overall architecture of the universe.

Euclid’s mosaic on Gaia and Planck sky map

The initial findings from Euclid are already providing invaluable insights, with many more expected as the mission continues. ESA’s Euclid team is working alongside international partners, including NASA, which contributed important components to the mission. Together, these agencies are poised to unlock some of the biggest mysteries of the cosmos. The Euclid mission is part of ESA's broader Cosmic Vision program, which aims to address fundamental questions about the universe's origin and evolution.

With this mission, ESA hopes to not only increase our understanding of dark matter and dark energy but also offer groundbreaking advances in astrophysics and cosmology. Euclid’s detailed cosmic map will allow scientists to study galaxy formation, clustering, and cosmic expansion in ways never before possible. The mission represents a significant step forward in unraveling the complexities of the universe, pushing the boundaries of space exploration, and providing answers to some of the most profound questions about the cosmos.