Daniel Stanyer Augusta, Kansas First, let's discriminate between expansion and expulsion. Expansion happens because the thermal pressure from the increased energy production in the Sun's interior ...

Imagine for a minute that you have been transported to the middle layers of the sun’s atmosphere. The sun’s surface, the “visible disc” scientists call the photosphere, boils below you, red-hot plasma ...

Small-scale magnetic structures of the ‘quiet sun’ at high resolution. Credit: DKIST Astronomers are one step closer to understanding one of the most enduring solar mysteries, having captured ...

How was the sun formed, what are its layers, and how does it impacts Earth? The sun is a medium sized dwarf star in the Milky Way galaxy and it is what fuels all life on our planet. Find out how the ...

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Diagram of the Sun’s interior and outer atmosphere, showing the core, radiative and convection zones — separated by the tachocline — and surface features such as sunspots, flares, the chromosphere and ...