Season 17 Episodes13
Discussion
0 comments
Join the conversation
Share your take and reply to other fans.
No comments yet
Be the first to share your thoughts on this episode.
No Image
When Mercury Crosses the Sun
Nov 7, 1973
On the morning of 10 November the planet Mercury will pass in transit across the face of the Sun. Patrick Moore tells observers what they can expect to see, and he looks forward to the launching in 1974 of an American spacecraft which will fly
Seasons70
Episode Summary
"When Mercury Crosses the Sun" is episode 12 of The Sky at Night season 17. It aired on November 7, 1973.