Questions tagged [solar-wind]

Questions about streams of plasma released from the Sun or other stars (stellar winds).

61 questions
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What determines the speed of a star's solar wind?

I'm wondering if different stars produce wind at different speeds, and if so, what factors determine that speed. Per this answer, our star produces wind with a speed between ~250–820 km/s. It seems safe to assume that the wind speed for each star is…
Tom
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Would a large coronal mass ejection affect the earth evenly

A very severe coronal mass ejection in the lines of the Carrington event could potentially disrupt power grids and communications, but would it affect the earth evenly or would the part of the earth facing away at the time be less affected? This…
user1605665
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What is the difference between solar wind and solar radiation?

Is there a difference between solar wind and solar radiation or are they just different ways of describing the same thing?
chaonomy
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Does the Moon have an aurora?

If the Moon has a magnetic field and can possibly receive solar wind, then does it have an aurora? If Earth has an aurora, and Saturn has an aurora, then could the Moon possibly have an aurora?
Billy
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Composition and Proton Flux from the Solar Wind

I am taking a class on the space environment and I have a few questions about the solar wind. A number of sources list the composition as (approximately) 4% He$^{++}$ and 96% H$^{+}$. What exactly does this mean? Does it mean by mass or by number…
JmZ
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