David Swan Profile Topics Started Replies Created Engagements Favourites Search topics: Topics Engaged In Viewing 7 topics - 161 through 167 (of 167 total) ← 1 2 3 … 7 8 9 Topic Voices Posts Last Post Nasa shows Crusader Castle on Mars, or not. Started by: Roy Hughes in: Mars 3 3 6 years, 8 months ago David Swan Monday 21 “Eclipse Day” Started by: Paul Anthony Brierley in: General Discussion 4 10 6 years, 8 months ago Paul Anthony Brierley Artificial satellite Mayak Started by: David Swan in: General Discussion 4 9 6 years, 9 months ago David Swan What is this? Started by: Dawson in: Telescopes 2 2 6 years, 9 months ago David Swan Interpreting star charts and images Started by: David Swan in: Deep Sky 6 11 6 years, 9 months ago David Swan Imaging Saturn’s moons Started by: David Swan in: Saturn 3 5 6 years, 10 months ago David Swan Jupiter impact event! Started by: Dawson in: Jupiter 2 3 6 years, 11 months ago Dawson Viewing 7 topics - 161 through 167 (of 167 total) ← 1 2 3 … 7 8 9