miércoles, abril 13, 2016

Orión en rojo y azul | Imagen astronomía diaria - Observatorio

Orión en rojo y azul | Imagen astronomía diaria - Observatorio

miércoles, marzo 09, 2016

Billion-light-year galactic wall may be largest object in cosmos

Billion-light-year galactic wall may be largest object in cosmos: Astronomers peering into the distant universe have discovered the BOSS Great Wall, a vast superstructure of 830 galaxies that is a billion light years across