IRAP<p>[Zoom on the <a href="https://astrodon.social/tags/CosmicWeb" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CosmicWeb</span></a>] Have you dived into the deep fields of <a href="https://astrodon.social/tags/Euclid" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Euclid</span></a> revealed this Wednesday by the <span class="h-card" translate="no"><a href="https://astrodon.social/@ec_euclid" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>ec_euclid</span></a></span> ? Have you navigated between the thousands of <a href="https://astrodon.social/tags/galaxies" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>galaxies</span></a> of different shapes, sizes, colors and masses? So many objects, near and far, fill our <a href="https://astrodon.social/tags/Universe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Universe</span></a>! <a href="https://sky.esa.int/esasky/?hide_welcome=true&amp;hide_banner_info=true&amp;hips=DES-DR2+ColorIRG&amp;sci=false&amp;layout=esasky&amp;euclid_image=EDFS" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">sky.esa.int/esasky/?hide_welco</span><span class="invisible">me=true&amp;hide_banner_info=true&amp;hips=DES-DR2+ColorIRG&amp;sci=false&amp;layout=esasky&amp;euclid_image=EDFS</span></a></p><p>What if their spatial distribution could tell us something about two mysterious components : <a href="https://astrodon.social/tags/DarkMatter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DarkMatter</span></a> and <a href="https://astrodon.social/tags/DarkEnergy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DarkEnergy</span></a>? This is the gamble taken by the scientists involved in the Euclid mission. To do so, they've designed some unrivalled <a href="https://astrodon.social/tags/instruments" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>instruments</span></a>: a camera with great depth of field and high resolution records the variety of shapes and spatial distribution of galaxies, while a <a href="https://astrodon.social/tags/spectrometer" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spectrometer</span></a> coupled with a <a href="https://astrodon.social/tags/photometer" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>photometer</span></a> can determine the distances and masses of galaxies ...</p><p>Alain Blanchard, professor at the University of Toulouse and researcher at IRAP, comments on the consortium's first-ever publication of scientific data: <a href="https://www.irap.omp.eu/en/2025/03/euclid-telescope-reports-first-results/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">irap.omp.eu/en/2025/03/euclid-</span><span class="invisible">telescope-reports-first-results/</span></a></p>