in November by J. G. Porter Ph.D., F.R.A.S. ,
In 1859 astronomy was reborn as the science of astrophysics, when it was first proved by observations of the sun's spectrum that matter as we know it on earth exists also in the sun and stars. What a hundred years of astrophysics has taught us about the inside of a star is the subject of Dr. Porter's talk.
The diagram shows Mira in the constellation of Cetus (the Whale), as seen looking south at 10 p.m.