La increíble espiral fantasma en la Vía Láctea: el disco galáctico está vibrando

Ajouté : 2026-05-20

[00:00:00]It's going to blow your mind. In GA data, the speeds of millions of stars near the sun draw a ghostly spiral like a snail and reveal that the Milky Way's disk is vibrating and twisting like a sheet, because relatively recently the gravitational push of the Sagittarius dwarf galaxy or the large Magellanic cloud shook it. So as we orbit the galactic center, our neighborhood rises and falls tens of parsexes to the rhythm of a tide that still resonates and leaves its undulating signature throughout the galaxy. Yeah.