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 ...

The Sun’s extremely hot outer layer, the corona, has a very different chemical composition from the cooler inner layers, but the reason for this has puzzled scientists for decades. One explanation is ...

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 ...