For more than two centuries, astronomers have treated the Sun’s spectrum as a solved problem, a textbook example of how light ...
Sunlight looks smooth and white to the naked eye, but when I break it apart with a prism or a spectrograph, it turns out to ...
The Sun’s rotation produces changes in its magnetic field, which flips completely every 11 years or so, triggering a phase of intense activity. Solar flares – huge eruptions from the surface of the ...