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Episode 33: January 27th 2010 : Ptolemy’s Almagest

By Gurbir Dated: January 29, 2010 1 Comment

If you had the task of gathering all of humanity’s knowledge of cosmology in one place, how would you do it? Answers to questions such as, How big is the Earth? At what date and time will the Moon be full again? What makes the Sun shine? How old is the Universe? Today a good place to start the project would be to scour the sources online. In about 150AD Claudius Ptolemaeus, better known as Ptolemy, a Greek national with Roman citizenship living in Egypt, attempted to do just that. He is best known for his encyclopaedic work written in ancient Greek “Syntaxis Mathematica”, perhaps better known as the Almagest from the Arabic Al magisti “the greatest”. He was an industrious author of many scientific and mathematical treaties but he also collected works going back hundreds of years.

The Almagest was the premier source of knowledge for describing the cosmos for almost two thousand years. Nothing of the original survives, only hand written copies of hand written copies.

Today’s episode is partially about one such copy, A seven hundred year old manuscript identified recently in the special collections of the Brotherton Library in the University of Leeds. Only parts of it is the Almagest. The manuscript was kept by Anthony Askew,   Joseph windham and then  lord Brotherton who donated it to the University of Leeds.

This episode is also about how information is transmitted through history. The value that successive individuals, societies and civilisations put on them. The inevitable errors in the mishmash of translations over hundreds of years from one language (Ancient Greek, Syriac, Arabic, Latin and English) to another or the periodic attempts by one scribe to diligently copy the work of another. In early 2009 Dr Regine May and Professor Malcolm Heath came across a 14th century manuscript catalogued as a work of Astrology and discovered it contained elements of Ptolemy’s Almagest. The manuscript in three volumes has yet to receive detailed  scholarly scrutiny.

In today’s episode there are 4 contributors.  Dr Regine May outlines how the almost accidental discovery of this manuscript came about and Dr Oliver Pickering, the keeper of the special collections describes how the library acquired the manuscript. A live recording of Professor Malcolm Heath, Dr Allan Chapman and Dr Oliver Pickering inspecting the manuscript in the Brotherton Library.

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Friedrich Nietzsche was a German philosopher of the late 19th century who read and wrote about the ancient Greek culture. Perhaps it was the writings from the ancient Greek civilisation which lead him to conclude The future influences the present just as much as the past.

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Episode 30: December 27th 2009 Prof. Barrie Jones

By Gurbir Dated: December 26, 2009 Leave a Comment

Forty years ago a revolutionary higher education institution for adults was established in the UK. Students enrolled in the Open University two years later in 1971. This model of higher education has now spread across the globe.

Today, the Open University plays a strong and active role in the exploration of space in collaboration with ESA and NASA. The first bit of human technology to touch the surface of  Titan was an instrument made by a team at the OU under Professor  John Zarnecki. The unsuccessful Beagle 2 mission to Mars was headed by OU Professor Colin Pillinger.  Currently, it is working on  projects including Darwin, Stardust, Rosette and Genesis.

Today’s episode is a special recording with Professor Barrie Jones of the Open University. Special because during the Eighties, I studied several of the courses which he helped to develop and presented on the the late night OU TV programs.

Professor Jones joined the Open University in 1972 and since 2006 is the emeritus professor of astronomy.  He recalls people he worked with at Cornell including Tom Gold, Frank Drake, Carl Sagan and the early days of Gamma Ray astronomy from balloons.

His distinguished career has spanned several decades, arguably the most scientifically productive decades in the history of astronomy, over that time, his research has spanned the electromagnetic spectrum. Although retired, he continues to write, research and lecture mainly in Astrobiology.

Initially he started working on Gamma Rays at Bristol University and then Infra Red astronomy during his time at Cornell. I asked if he had been involved with radio and optical astronomy too?

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As the UK government recently announced further cuts in the higher education budget, today’s quote is from Derek Bok .

If you think education is expensive – try ignorance.

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Episode 27: Astronomy on the Web

By Gurbir Dated: July 12, 2009 Leave a Comment

A different, interesting and at times a little silly episode this week.

Professor Pamela L Gay from the Southern University Edwardsville Illinois (SUEI) and Swinburne Astronomy Online but you will may be familiar with her voice on the probably most popular Astronomy podcast Astronomy Cast.

This recording was made in Oxford during her visit in March this year.

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This week’s quote is from Anne Morrow Lindberg

“Good communication is as stimulating as black coffee, and just as hard to sleep after.”

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Episode21:Science, Science Fiction and Astrobiology

By Gurbir Dated: June 28, 2008 Leave a Comment

Professor Mark Brake from the University of Glamorgan has an eclectic interest. An academic, broadcaster and author of science and popular science books, he is the organising chair for the the third conference of the Astrobiology Society of Britain: ASB3: The Living Universe, will take place in Cardiff between July 1-4, 2008. We spoke about the relationship between science & science fiction and astrobiology.

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