Chapter 1
The nuclear heart of our star
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Chapter 2
The chaotic magnetic surface
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Chapter 3
Storms that strike the Earth
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Chapter 4
The death of our star
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YOUR GOAL
Master of Our violent Sun
Ch 2 · The chaotic magnetic surface
artiteacher The chaotic magnetic surface
Magnetic fields twist, / plasma cools down, / it's raining on the Sun!
Fun Fact
Sunspot brightness: Sunspots look pitch black, but if you placed one in the night sky, it would shine brighter than the full moon.
Glossary
sunspot (noun)
A temporary dark region on the sun's surface that is cooler than its surroundings. In 1843, Heinrich Schwabe discovered that these magnetic patches fluctuate over an eleven-year solar cycle.
A temporary dark region on the sun's surface that is cooler than its surroundings. In 1843, Heinrich Schwabe discovered that these magnetic patches fluctuate over an eleven-year solar cycle.
Quiz
Which ancient civilization recorded some of the earliest observations of sunspots around 364 BCE?
Quiz
How long can stable solar prominences loop in the Sun's atmosphere before erupting?