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Ancestral Skies
This month, The Sky at Night teams up with BBC Ideas to discover the secrets of archaeology and astronomy and to reflect on our ancestral skies. \n\nThroughout history and across the world, humanity has looked up and marvelled at the night sky. From ancient civilizations who were guided by the sun, moon and stars, to modern astronomers uncovering the universe's history, we have always found deep meaning in our dark skies. But is modern civilisation putting this important link at risk? \n\nOut on Cornwall’s beautiful Bodmin Moor, George Dransfield meets up with archaeoastronomer Carolyn Kennett at an ancient archaeological site. The Goodaver stone circle is steeped in history, but it has been cut off from the public and researchers like Carolyn for decades. But times are changing. The site will open to the public in November, and Carolyn and fellow archaeoastronomers are finally able to assess the stones against the horizon and understand how they are aligned to the sun, moon and stars. What new stories about ancient peoples and their relationship to the night sky will be discovered? \n\nChris Lintott and Maggie Aderin-Pocock are also finding out about archaeology in Cambridge – but not necessarily the archaeology you would expect. \n\nAt the Whipple Museum of the History of Science, Maggie links up with Australian space archaeologist Dr Alice Gorman to look at what we should be preserving of our history in space so far. From satellites to moon landing sites, what will future generations want to see to help them understand our early history of our journey into space?\n\nMeanwhile, Chris heads to the Department of Archaeology to find out about the surprising and fascinating field of Galactic Archaeology, which takes inspiration from archaeology to try and solve the mystery of our galaxy’s history – using only what we can see today. Chris meets anthropologist and evolutionary biologist Professor Robert Foley and astrophysicist Dr Payel Das, who are part of a team that has been using phylogenetic trees – models normally used for evolution – for modelling the evolution of galaxies. Each generation of stars within a galaxy forms from material polluted with elements produced by previous generations, opening up the possibility of understanding their shared history. \n\nFinally, Pete Lawrence is at the Exmoor Dark Skies Festival, where he is meeting Jo Richardson. While Pete waits for night to fall, he talks to Jo about the importance of maintaining our view of the night sky and how modern lighting is affecting the health and well-being of humans and other animals. But will the clouds clear and provide the spectacular view dark skies sites can offer?\n\nDon’t miss this captivating exploration of our shared history and the stars, as we discover where archaeology and astronomy meet to illuminate the profound connections that shape our understanding of both the universe and ourselves!
Source: BBC 4
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