The Sky at Night • Season 3 • Episode 4
Patrick Moore and Roger Griffin talk about these pairs of suns revolving round each other, and how they help astronomers to measure the masses of the stars.
Episode 4
Patrick Moore and Roger Griffin talk about these pairs of suns revolving round each other, and how they help astronomers to measure the masses of the stars.
Season 3
Episode description will appear here...
Season 3
Episode description will appear here...
Season 3
Episode description will appear here...
Season 3
Episode description will appear here...
Season 3
Episode description will appear here...