Our Amazing Sun

Professor Eric Priest
Emeritus Professor, University of St Andrews

14th December 2022

Our Sun is worthy of study due to its profound influence on the Earth and its fundamental importance for astronomy as the only star that we can see closely. And yet, many of its basic properties are still a mystery, including the ways in which its atmosphere is heated to over a million degrees and huge eruptions and solar flares are produced, which can have major effects at Earth. Many of the surprises that we have discovered are due to its magnetic field, which interacts in a subtle and complex way with its atmosphere. I plan in this lecture to introduce you to the basic properties of the Sun, to share with you the excitement of a solar eclipse and to reveal some of the major puzzles that we are hoping to solve in future.

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