Do we Finally Know the Causes of Sunspots?

Sunspots have been studied for 400 years. Although the effects of their 11-year cycle is well understood, underlying questions remained about how they form. Now, we may have those answers.

Between the end of 1610 and early 1611, several astronomers, including Galileo, independently saw sunspots in their primitive telescopes. Since that time, the features have been closely examined by astronomers around the world.

Sunspots are relatively cool, dark regions on the Sun which form roughly 30 degrees from the stellar equator, and slowly…

--

--

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store
The Cosmic Companion

The Cosmic Companion

Writing about space since I was 10, still not Carl Sagan. Weekly video show, podcast, comics, more: www.thecosmiccompanion.net