It is written in The Star: 400 years of clues about how the Sun got its spots.

Geoff Vasil (University of Edinburgh)

Wednesday 2nd October 15:00-16:00 Maths 311B

Abstract

In this talk, I will present a tour of what we know about the Sun and what remains a frustrating and fascinating mystery. I will also briefly explain why many traditional models do not stack up in many ways. Finally, I will lay out a new (and perhaps slightly heretical) arrangement of observational evidence: that the solar cycle begins in the outer 5-10% of the interior with the Magneto-Rotational Instability (the MRI, a well-established and prominent effect for astrophysical accretion disks).

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