Twin Stars The Sky at Night : Season 1 Episode 25
BBC Four 20m
Aired: April 6th, 1959 @ 10:00 PM EST on BBC Four
Patrick Moore and Roger Griffin discuss how pairs of suns revolving around each other help astronomers to measure the mass of stars.
BBC Four 20m
Aired: April 6th, 1959 @ 10:00 PM EST on BBC Four
Patrick Moore and Roger Griffin discuss how pairs of suns revolving around each other help astronomers to measure the mass of stars.
