Video companion · The Sun and Space Weather

Why the Sun’s Corona Is Hotter Than Its Surface

Name: Why the Sun’s Corona Is Hotter Than Its Surface
Uploaded: 2026-05-28
Duration: 37 s
Channel: Rick Wood
Description: The coronal-heating problem points toward waves, reconnection, and magnetic energy.

Move away from the Sun’s visible surface and the temperature rises by orders of magnitude.

0:37Published May 28, 2026Hosted by Rick Wood

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What you’ll discover

The Sun’s inverted temperature profile
Why sunspots look dark
The competing magnetic-heating pathways

Further reading