by J. G . Porter Ph.D., F.R.A.S.
This month Dr. Porter talks about some of the summer stars, and the changing appearance of the moon in her journey round the sky.
Diagram on preceding page
Discover 11,128,835 listings and 277,279 playable programmes from the BBC
by J. G . Porter Ph.D., F.R.A.S.
This month Dr. Porter talks about some of the summer stars, and the changing appearance of the moon in her journey round the sky.
Diagram on preceding page
BBC Home Service is a radio channel that started transmitting on the 1st September 1939 and ended on the 29th September 1967.
