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Researchers may have detected signals from the universe’s first stars

chinatopwin chinatopwin 2018-03-01 09:42:59

The early development of our universe is still quite a mystery, but in a new study published today 
in Nature, researchers describe what may be evidence of when the first stars began to form. After 
theBig Bang, which took place some 13.7 billion years ago, the universe was dark, hot and full of 
high-energy particles. Photons couldn't survive, but after around 380,000 years, the universe 
cooled enough to allow light to actually stick around. That's when the cosmic microwave 
background (CMB) came to be. It's our universe's first surviving radiation and researchers have 
looked to it in order to learn more about the earliest years of our universe.