explosão cósmica

Articles about explosão cósmica

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

Black hole devoured a star from within, producing the longest gamma-ray burst on record

GRB 250702B, detected July 2, 2025, produced gamma-ray emission lasting roughly seven hours. Observations rule out known burst progenitors and point to a helium‑merger scenario in… Nov 15, 2025