5 quotes about sunspot follow in order of popularity. Be sure to bookmark and share your favorites!

First of all, it is based on sound physical principles, and secondly, it finally answers the 150-year-old question of what causes the 11-year sunspot cycle.

David Hathaway

The fast-growing sunspot now covers an area of the solar disk equivalent to the surface area of 13 planet Earths. That makes it the largest sunspot of the current solar cycle.

Paal Brekke

Is there some hint that global warming is the reason? Maybe. Or is it sunspot cycles? Is it fluctuations in solar activity? We don't know enough to make an absolute answer.

David Vallee

I'm really excited about this (discovery). It's based on sound physical principles, and it finally answers the 150-year-old question: What causes the sunspot cycle?

David Hathaway

This flare, the fourth largest in the last 15 years, erupted just as the ... sunspot cluster was rotating onto the visible disk of the sun.

Larry Combs