Planetary Nebulae – 26th June 2003

This month’s talk, about “Planetary Nebulae“ was given by Owen Brazell. He started by telling us about the early observations of planetary nebulae by observers like Messier, Ross, and the Herschels. William Herschel first used the description “planetary nebula“. Many … Continue reading

Galaxy Formation – 27th March 2003

Lisa Wright gave us an informative and well-balanced talk with the title “Galaxy Formation: Painting by Numbers“, illustrated using computer animations and a practical demonstration using a lycra sheet, a large steel ball bearing and various other less weighty spheres. … Continue reading