Fysikkbygningen øst (kart)
Sem Sælands vei 24
First first stars were born during the universe' youth according to new radiation maps. Much later that first anticipated.
De første stjernene ble i følge nye strålingskart dannet i universets ungdomsår, mye seinere enn tidligere antatt.
ESA's Planck satellite has revealed that the first stars in the Universe started forming later than previous observations of the Cosmic Microwave Background indicated. This new analysis also shows that these stars were the only sources needed to account for reionising atoms in the cosmos, having completed half of this process when the Universe had reached an age of 700 million years.
Instabilities and turbulence in the polar ionosphere studied with the integrated, multi-scale 4D (3D in space and time) experimental, theoretical, and modelling approach.