Robert Ian Henderson Profile Topics Started Replies Created Engagements Favourites Search topics: Topics Engaged In Viewing 4 topics - 1 through 4 (of 4 total) Topic Voices Posts Last Post Life, don’t talk to me about life 1 2 Started by: Paul Leyland in: Venus 14 30 1 year, 6 months ago Jeremy Shears Planisphere for demonstrating precession of the equinoxes Started by: Dominic Ford in: Computing 6 10 3 years, 4 months ago Robert Ian Henderson New book on The Moon Started by: Dr James Dawson in: Moon 8 15 4 years, 2 months ago Lars Lindhard Inspirational astronomy books Started by: Dr James Dawson in: General Discussion 14 14 6 years ago Robert Ian Henderson Viewing 4 topics - 1 through 4 (of 4 total)