Popular

Loïc Albert

2 articles · 30 co-authors · latest: 2026-06-04

A Scorching Planet Grew Two Tails

Astronomers using the James Webb Space Telescope observed the exoplanet WASP-121b—a blazing gas giant circling perilously close to its star. It turns out the planet is losing its atmosphere: helium streams into space in two comet-like tails. One tail outruns the planet and plunges into the star, whi
arXiv:2510.09809 · 2025-10-10

Roots of the Cosmic Banyan: How Black Holes Feed

New data from the JWST telescope on galaxy NGC 4696 in the Centaurus cluster have for the first time traced the kinematic connection between large-scale filaments and a compact circumnuclear disk with a radius of about 120 parsecs. The S-shaped structure, familiar from Hubble images, turned out to b
arXiv:2606.06620v1 · 2026-06-04