Known as dinosaur stars for both their primeval nature and their immense size, Population III stars existed only when the ...
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Scientists recreate the universe’s first molecules and reveal new clues about the early cosmos
The history of the universe always feels hard to fathom. After the Big Bang, it is believed that the universe was filled with hot gas and light. Eventually, matter started to cool down, and the first ...
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The beginning of the universe: Cosmic inflation with standard particle physics repertoire
How did the universe come into being? There are a multitude of theories on this subject. In a Physical Review Letters paper, three scientists formulate a new model: according to this, inflation, the ...
About 13.8 billion years ago, the newborn universe was a blazing sea of energy and particles. Within minutes of the Big Bang, conditions had cooled enough for the very first atoms—mostly hydrogen, ...
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