Curated from Science – Ars Technica — Here’s what matters right now:
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 stars to form the first planets. The first stars were initially composed of pure hydrogen and helium, and they were massive—hundreds to thousands of times the mass of the Sun and millions of times more luminous. Their short lives ended in enormous explosions called supernovae , so they had neither the time nor the raw materials to form planets, and they should no longer exist for astronomers to observe. At least that’s what we thought. Read full article Comments
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Original reporting: Science – Ars Technica