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First first stars were born during the universe' youth according to new radiation maps. Much later that first anticipated.
Rachael Roettenbacher is a postdoctoral fellow at Stockholm University and soon to be Yale Center for Astronomy and Astrophysics Prize Postdoctoral Fellow.
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.
De første stjernene ble i følge nye strålingskart dannet i universets ungdomsår, mye seinere enn tidligere antatt.