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1 vote

What is the composition of the Solar Wind?

We have better data on the heavy metals in the solar wind from ACE and Genesis: https://onlinelibrary.wiley.com/doi/full/10.1111/maps.13266 To an extent CI meteorites are cross-confirmation… to an ...
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-7 votes

Why is carbon so rare on the Moon and on Mars?

Atmophile… atmophile… atmophile… https://lmgtfy.app/?q=atmophile On the moon in particular, Earth differentiated, then the moon formed… which then differentiated. The moon is thus double depleted. On ...
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1 vote

Is the Sun "chemically peculiar", and if not why is HD 222925?

Not chemically peculiar. Local Group stars appear similar in composition. At least, to the extent that spectroscopy (“squiggly-line interpretation”) can nail down one star, let alone star-to-Sun ...
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9 votes

Is the Sun "chemically peculiar", and if not why is HD 222925?

No, the Sun is not "chemically peculiar". (I'm not sure most astronomers would call HD 222925 chemically peculiar, either, certainly not in any of the ways discussed on the Wikipedia page.) ...
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