La formation des structures cosmiques

Webb’s Sharpest View of Black Hole Edge

James Webb’s aperture-masking interferometry has produced the sharpest infrared image yet of the Circinus galaxy’s central black hole, showing most emission comes from a compact d… Jan 19, 2026

Space

Cloud 9: A Failed Galaxy Revealed

Using Hubble and radio telescopes, astronomers have confirmed a starless, gas-rich dark-matter cloud — nicknamed Cloud‑9 — that matches long-standing theoretical predictions of a … Jan 07, 2026

Space

James Webb Telescope Reveals Turbulent, Uneven Galaxies in the Early Universe

A survey of more than 250 James Webb Space Telescope observations finds that galaxies from 800 million to 1.5 billion years after the Big Bang were largely turbulent and clumpy ra… Nov 15, 2025

formation des structures

Articles about formation des structures

Webb’s Sharpest View of Black Hole Edge

Cloud 9: A Failed Galaxy Revealed

James Webb Telescope Reveals Turbulent, Uneven Galaxies in the Early Universe