What would the night sky be like if we could actually see galaxies? Is a cheap watch a better timekeeper than the Sun? What’s the extraordinary coincidence that gives us solar eclipses? And how did the discovery of Uranus lead directly to the discovery of Neptune?
This lively talk highlights twenty things about astronomy and space exploration that amateur astronomer Andy Sawers thinks are simply amazing. What things do you think should be on the list?
Please be aware that this talk is 90 minutes in length.
