There are Particles of 4.5 Billion-Year-old Solar Wind Trapped Inside the Earth

[Seldom Bucket]

Scientists have found the unmistakable presence of certain isotopes in an iron meteorite. Since these meteorites are thought to leftover bits of planetary cores, similar isotopes must be in the Earth’s own core. And the only place to get those isotopes is from the solar wind.


Our sun constantly churns out a steady drizzle of charged particles. It’s called the solar wind, and it’s usually made of electrons, but occasionally something heavier can come out. Indeed, in our solar system, the only way to get certain isotopes of helium and iron is through the solar wind.

There are Particles of 4.5 Billion-Year-old Solar Wind Trapped Inside the Earth - Universe Today

Scientists have found the unmistakable presence of certain isotopes in an iron meteorite. Since these meteorites are thought to leftover bits of planetary cores, similar isotopes must be in the Earth’s own core. And the only place to get those isotopes is from the solar wind. Our sun constantly...

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