Galaxies in cosmic voids spin synchronously, like a school of fish. The slightest deviation in their dance reveals exactly how the Universe inflated in its first moments. This method could become the most precise test of inflation theory.
🎯 The most studied void in the constellation Boötes stretches 330 million light-years, but only 60 galaxies have been found in it — and they all spin in unison.
🎬 Science fiction writers populate cosmic voids with ghosts of dead civilizations, but reality turned out to be more interesting: it is in these 'dead zones' that the key to the birth of the Universe is hidden.