Mark Gibbons is a committee member of the Cotswold astronomical Society and he will give us an insight into this fascinating topic.

Julian Onions from Nottingham University has given lectures to us before and is apparently something of an expert in online presentations. Who Knew? He has given us a lot of help here because we needed guiding by the hand, it's all new to us and this is our first offering, but we intend to do a ... Read more

Professor Jeffries is from the astrophysics group at Keele University. The European Space Agency Gaia satellite was launched in December 2013. The aim of the mission was to map the precise positions and motions of a billion stars and nearer objects in our own Milky Way Galaxy and solar system. In April 2018 Gaia released ... Read more

Watch live online at youtu.be/2kYah6M4E0w

The binocular is not limited to being a beginner's instrument and a subordinate adjunct to a telescope, but is an exceptionally valuable astronomical instrument in its own right. Find out how to choose and use binoculars for astronomy: discover what makes a good (or bad!) binocular, distinguish between valuable information and advertising hype, and learn ... Read more

With three new missions heading to Mars, Nicholas Booth will discuss our changing perceptions of the Red Planet. For the first time in forty years, NASA will be looking directly towards life - and Nick will tell the story of how people have thought they have discovered life in recent years. He will set the ... Read more

The story of the Voyager missions. Both spacecraft have now reached interstellar space and continue their journey through the universe. This talk will take you from the planning stages through to their current status and position. Buckle up, it's a long ride.

Linda looks at calendar developments from the ancient Metonic Cycle to the early Roman and Julian calendars and discusses methods of calculating the date of Easter Sunday from the advent of Christianity to Gregorian reforms and the Computus.

What are galaxies, how are they classified, how are they formed, what we understand about their lives, and how many pretty pictures can I fit in one talk.

The Hunt For Atmospheric Optical Effects - Mary has been passionate about hunting for atmospheric optics for many years. In this talk she will show us lots of the common things seen from the UK, plus some more exotic phenomena, from arcs and sundogs to noctilucent clouds and aurora.

An offbeat look at Newton's theory of gravity - featuring hollow Earths, counter-Earths Trojan asteroids, Kirkwood gaps, Lagrangian nodes, the three-body problem, and those mysterious beasts rumoured to haunt Surrey playing fields and Bodmin Moor. Already delivered on two continents!