When Mercury Crosses the Sun The Sky at Night : Season 17 Episode 12
BBC Four 20m int(0)
Aired: November 7th, 1973 @ 10:00 PM EST on BBC Four
On November 10th the planet Mercury will pass in transit across the face of the Sun. Patrick tells observers what they can expect to see, and he looks forward to the launching in 1974 of an American spacecraft which will fly past Mercury.