galáxias de alto redshift

Articles about galáxias de alto redshift

JWST Reveals Celebrity Cluster MACS J1149

The James Webb Space Telescope has released a new, deep infrared image of the massive galaxy cluster MACS J1149.5+2223, showing dramatic gravitational lensing and revealing faint,… Jan 24, 2026

Science

JWST Sees Universe’s Earliest Supernova

James Webb Space Telescope observations identify a supernova linked to long gamma‑ray burst GRB 250314A at redshift ~7.3 — an explosion that occurred when the universe was about 7… Dez 14, 2025

Space

Webb May Have Spotted the First Stars

New JWST spectra have highlighted a handful of ultra‑distant, compact objects whose light matches predictions for hypothetical dark‑matter‑powered 'dark stars' — but the signal is… Nov 19, 2025