Avishai Dekal

A jet emitted from a black hole at the center of a galaxy. Illustration: shutterstock

Why supermassive black holes keep growing at the centers of massive galaxies

Researchers from the Hebrew University and France discovered that below the critical size there are factors that prevent black holes from swallowing gas and growing, in galaxies with a mass of more than ten million suns, the attraction is large enough to attract
The Milky Way as photographed from 5,000 meters above sea level on the Chimborazo volcano in Ecuador. Photo: shutterstock - One new sun a year

Why galaxies in the early universe died young

The planet Orion. Photo: Voyager 2

Uranus is from today Oron and Neptune from now on Rahab

Rare supporting cells in the inner ear of mice began to transform into sensory hair cells

Scientists: the universe will continue to expand at an increasing rate