Why did they form at that time? Astronomers know from observing distant exploding stars that the size of the universe has ...
Our sun may be responsible for life on Earth, but stars across the galaxy are also responsible for creating a plethora of elements on the period table. These are some of the building blocks of life as ...
For decades, astronomers have wondered what the very first stars in the universe were like. These stars formed new chemical elements, which enriched the universe and allowed the next generations of ...
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