Why do astronomers consider everything heavier than helium to be a metal? 527 viewsJanuary 3, 2024 Question90.63K January 5, 2021 0 Comments Why do astronomers consider everything heavier than helium to be a metal? In: Physics 5 Answers ActiveNewestOldest Anonymous Posted January 5, 2021 0 Comments Hydrogen and Helium were made in the big bang. (maybe a little bit of lithium) Everything else was made later by stars. Astronomers use metal as a term for elements that were not present at the start of the universe. You are viewing 1 out of 5 answers, click here to view all answers. Register or Login
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