ELI5: How do scientists know what stars are made of…
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ELI5: How do scientists know what stars are made of without ever going there??
i often see scientists saying that this planet has a diamond core or that planet has this much gold or that planet is made of this and that but how do they actually know this?
#education
i often see scientists saying that this planet has a diamond core or that planet has this much gold or that planet is made of this and that but how do they actually know this?
#education
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