Espoo Metro Areena is an arena in the Tapiola District of Espoo, Finland. It is part of the Tapiolan Urheilupuisto. It was opened in 1999 and holds 6,982 people for ice-hockey games or 8,582 for concerts. Read More
According to the standard model of cosmology, the vast majority of galaxies are surrounded by a halo of dark matter particles. This halo is invisible, but its mass exerts a strong gravitational pull on galaxies in the vicinity. A new study challenges ...