Events for September 8, 2019

At 10 am, 12 pm, 2 pm Come along on a one-hour guided snorkel of Stromness's piers to discover life beneath the waves. Inspired by Stromness Museum's summer exhibition 'Living Wrecks: The Marine Life of Scapa Flow'. Suitable for age 10 and above. Supported by divers from Scapa Scuba. £15, with booking essential: contact Scapa Scuba 01856 851218 or at diving@scapascuba.co.uk. Funded by Museums Galleries Scotland

led by … with St Magnus Cathedral Choir

Divers will bring a range of marine life up to the pier to let visitors call by to get a closer look. Everything will then be returned to its habitat. Free drop-in event, and booking not required. All children must be accompanied by an adult. Funded by Museums Galleries Scotland

When Assiepattle killed the Stoor Worm, he didn’t only win the hand of the king’s daughter; he also expressed a deep insight about the nature of the universe. Tom Muir tells the old Sanday story, Ragnhild Ljosland shows the Norse connection, Howie Firth explores the physics of dead dragons, and Orkney Children’s Theatre Club bring it all to unforgettable life. No dragons will be harmed in the performance.

Now that the wrecks of Sir John Franklin’s ships Erebus and Terror have been found in Arctic waters, we can for the first time ask the question: how accurate were the various suggestions for where to seek them? Some of them, says polar historian Dr Maria Pia Casarini, were distinctly wrong; while others were surprisingly right. In association with the John Rae Society

Dr John Cumming Memorial Lecture Born in Kirkwall 150 years ago this year, Sir John S. Flett became director of the Geological Survey of Great Britain. Dr John Flett Brown tells the story of the man and his work, which included much study of the igneous rocks of Orkney and the Old Red Sandstone. Followed by an Orkney afternoon tea. Tickets £10. With the support of the Cuminga Trust

Theme – the 50th anniversary of setting foot on the Moon – drawing on Carl Sagan’s writings about the exploration of space. The Mayfield Singers and Paisley Abbey organist George McPhee, with readings by Gerda Stevenson and Dave Grieve.