Dark energy and its role in the universe

L'énergie sombre et son rôle dans l'univers

IN BRIEF Dark energy: makes up about 68% of the Universe. Accelerates the expansion of the Universe due to its repulsive nature. Dark matter and dark energy: two great mysteries of astrophysics. Recent progress shows that the expansion of the Universe is faster than expected. Use of telescopes like Hubble and Euclid to study these … Read more

Dark matter: the great cosmological mystery

La matière noire : la grande énigme cosmologique

IN BRIEF Dark matter makes up about 85% of the mass of the Universe. It is invisible and undetectable, making its study complex. Represents one of the biggest mysteries of modern cosmology. Its existence is necessary to explain the movement of galaxies. Theories like modified gravity attempt to unravel this mystery. Less than 5% of … Read more

Current approaches to detect dark matter

Les approches actuelles pour détecter la matière noire

IN BRIEF Detection of dark matter: innovative approach based on Josephson junctions. Exploration of gravitational waves to identify dark matter. Search for axions, potential candidates for dark matter, via their conversion into photons. Clear strategies: to do, see oneself undone, or look for its shakes. Study of neutron stars, potential keys in the detection of … Read more

Dark energy and dark matter: the mysteries of the universe

L'énergie noire et la matière noire : les mystères de l'univers

IN BRIEF Dark matter: Makes up about 25% of the universe. Dark energy: Represents about 70% of the universe. Dark matter: Has an attractive virtue, promoting clumping. Dark energy: Has a repulsive virtue, pushing celestial objects away. 95% of the universe: Formed by dark matter and dark energy. Invisible: Cannot be detected by light. Persistent … Read more