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Episode 109 – The Antikythera Mechanism with Prof Xenophon Moussas

By Gurbir Dated: December 16, 2022 Leave a Comment

I first came across the Antikythera Mechanism just over a decade ago. It is still the most incredible artefact from history. It is as out of place in our time as William Shakespeare using an Iphone or Vasco De Gama travelling in a speedboat.

The Antikythera Mechanism is a complex mechanical (clockwork) device that can determine the position of the planets and phases of the Moon and predict when solar and lunar eclipses will occur. Constructed about two thousand years ago, it was discovered in 1901.

The three wooded calendaric machines in the National Museum of Iceland in Reykjavik

The three calendaric machines, made of wooden gears, from around 1780 in the National Museum of Iceland in Reykjavik. They are grandchildren of the Antikythera Mechanism. References to Cicero’s text to the Antikythera are available here.

Perhaps the most recent and informative video by published by mathematician Tony Freeth is available on Youtube. A paper published by several active researchers, including Tony Freeth, was published in Nature. Investigation continues today. Underwater research continues today at the shipwreck site. Press release from June 2022. This interview was recorded in July 2022 in Athens during Cospar 2022.

Athens-based Professor Xenophon Moussas has been mesmerised by it since childhood. As a mathematician and a space scientist, he has been involved in using leading technology to reveal its mysteries. He is available for presentations on the Antikythera Mechanism and can be contacted via email xmoussas AT gmail.com.


https://media.blubrry.com/astrotalkuk_podcast_feed/astrotalkuk.org/wp-content/uploads/2022/12/Episode109.mp3

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Episode 104 – William Leitch. The forgotten Scottish Rocket Pioneer

By Gurbir Dated: October 28, 2022 Leave a Comment

When it comes to the pioneers of rocketry, tradition has it that it was Tsilokosky, Goddard and Oberth. in this episode, author Rob Godwin talks about William Leitch from Scotland. Leitch was writing about the principles of rocket propulsion and space travel in 1861. Decades before Tsiolkovsy. Over the last few years, Rob has been researching Leitch’s story and published a book – William Leitch Presbyterian Scientist & The Concept of Rocket Space Flight 1854-1864

In this interview recorded via Zoom, Rob Godwin recalls how he came across Leitch’s work and the research activity that eventually led him to uncover this remarkable story.

The following 19th-century publications, that Rob refers to are now available online, and pdf versions can be downloaded. Links are available on the episode page

  • Half hours in air and sky – Contains the essay “A Journey through Space” P143-168
  • Good Words Magazine
  • God’s Glory in the Heavens

https://media.blubrry.com/astrotalkuk_podcast_feed/astrotalkuk.org/wp-content/uploads/2022/10/Episode104.mp3

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New Book – Atlas of Space Rocket Launch Sites

By Gurbir Dated: September 13, 2022 Leave a Comment

25% discount code “25_31012023”

ISBN 978-3-86922-758-0
Size 240 x 300 mm
272 pages
500 images
Index
Glossary
Hardcover

** Description and look-inside below **

Available from: dom-publishers.com, www.amazon.com, www.freytagberndt.com, www.mondadoristore.it, www.lehmanns.de and www.abebooks.co.uk – a variety of suppliers at many lower prices.

Learn more from podcasts: New Space India, The Spaceshow and Aviation-Xtended

Book Reviews: www.wallpaper.com, www.raumfahrer.net, flugundzeit.blog, www.ivorypress.com and collectspace.com

To purchase signed copies directly from the authors contact Brian Harvey or Gurbir Singh


The book describes primary launch sites around the world including some that are historically significant but no longer operating (e.g Peenamunde) as well as the new kids on the block (e.g Kodiak).

The book is edited by Paul Meuser who has written the foreword and sourced most of the 500 or so majestic photos of launch sites and their environments. The majority of the text is authored by Dublin-based author Brian Harvey. A prodigious writer who has been writing on space programs of numerous countries since the 1970s. Katrin Soschinski designed stunning maps, the foundation of any atlas.

Copy of the back text page and a few sample pages from the book in the slide show below. These sample pages can be downloaded here albeit the quality is way inferior to the original.


Back page text

The machines that orbit our planet live in a void environment–
however, space travel itself does not exist in a vacuum. Traveling
to space is an immense effort of humans and machines, taking
not just ‘a small step for a man’ but leaving a huge carbon
footprint in the process. We are in the midst of a paradigm shift
in which private companies and leadership figures in the form of
Billionaires are re-popularizing space travel to an extent not seen
since the space race of the USSR and USA. Space exists isolated
from the place that births its mechanical and a few select human
inhabitants. Thus we tend to forget that every single thing that
exits our atmosphere takes with it more than just its own weight
of materials when it departs our fragile blue marble.

This book offers a unique look at the physical footprints of earth’s
launch sites. With most places hidden away in jungles, deserts, or
amidst the Central Asian steppes, these places exist for the most
part out of the eye of the general public. With satellites facilitating
our modern society and a modern space age ever-present in today’s
news cycle, it is now more important than ever to think about the
imprint these undertakings leave on earth. To begin to answer
the new socio-economic questions raised by our rapid expansion
into the void, we need to look no further than follow the cracks in
the concrete of our planetary launch sites. The rusty train tracks
leading to the pad break the pristine and sterile looks of space, and
reopen our eyes to the realities of space exploration.

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Episode 99 Professor Stamatios Krimigis – Exploring the Solar System with Voyager

By Gurbir Dated: September 9, 2022 Leave a Comment

This episode was recorded in Athens in July 2022 during Cospar 2022 and he speaks about his remarkable career guided in large part by his mentor, physicist James Van Allen.

Professor Stamtios Krimigis

He started studying physics at the University of Minnesota in the same month that Sputnik was launched. A chance meeting with James van Allen led Stamatios Krimigis to build instruments for Mariner 3 and 4. Eventually assigned as the Principle Investigator for the charged particle instrument on the voyager program which was initially known as Mariner Jupiter Saturn 77 program.

It is released today to mark his 84th birthday tomorrow on September 10th. Audio and youtube video below.

https://media.blubrry.com/astrotalkuk_podcast_feed/astrotalkuk.org/wp-content/uploads/2022/09/Episode_99_StamtiosKrimigis.mp3

Podcast: Play in new window | Download (Duration: 40:42 — 46.6MB) | Embed

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