For more than a century, physics has been built on two great theories. Einstein’s general relativity explains gravity as the bending of space and time. Quantum mechanics governs the world of particles and fields. Both work brilliantly in their…
by S & T • • Commentaires fermés sur The earliest galaxies formed amazingly fast after the Big Bang. Do they break the universe or change its age?
The James Webb Space Telescope (JWST) is the largest and most powerful space telescope built to date. Since it was launched in December 2021 it has provided groundbreaking insights. These include discovering the earliest and most distant known galaxies, which…
by S & T • • Commentaires fermés sur Différencier la matière noire du bruit cosmique grâce à l’IA
Un outil basé sur l’intelligence artificielle (IA) et développé à l’EPFL est capable de distinguer les effets insaisissables de la matière noire d’autres phénomènes cosmiques, pour une meilleure précision des études sur la matière noire. La matière noire est la force…
by S & T • • Commentaires fermés sur We need to consider alternatives to dark matter that better explain cosmological observations
Do constants of nature — the numbers that determine how things behave, like the speed of light — change over time as the universe expands? Does light get a little tired travelling vast cosmic distances? It was believed that dark…