Season 3Episode 4Runtime unavailable
Twin Stars
1959-04-060.0 rating
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.
1959-04-060.0 rating
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.