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What are Alfvén waves?
Alfvén waves are magnetic waves of plasma which bypass the photosphere before exploding with heat in the Sun’s upper atmosphere.
These waves appear when bulk motions of electrically charged particles disturb the magnetic field found on the surface of the Sun (fields which are visible as dark sunspots).
The heat waves travel along what are known as solar magnetic flux tubes before bursting into the corona, creating its enormous temperature.
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The Sun’s atmosphere is hotter than its surface
The visible surface of the Sun (the photosphere) is around 6,000°C. But a few thousand kilometers above it – a small distance when we consider the size of the Sun – the solar atmosphere (the corona) is hundreds of times hotter, reaching a...
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The Sun’s atmosphere is way, WAY hotter than its surface — here’s why
thenextweb.com
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🔥 Building @deepstash 🧬 Interested in tech, science, philosophy, marketing, business, health. Lifelong learner.
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The northern lights, or aurora borealis
The magnetic fields of the sun distort and twist as the Earth rotates on its axis. When these fields become knotted together, they create sunspots. Usually, these sunspots occur in pairs.
As the temperature on the surface of the sun rises and falls, the sun boils and bubbles. Particles esc...
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