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28 January 2021 | Story Igno van Niekerk | Photo Supplied
Pictured from the left: Lucas Erasmus from the Department of Physics, Piet le Roux from the Astronomical Society of SA – Bloemfontein, Quinton Kaplan from the Department of Physics, Thinus van der Merwe from the Astronomical Society of SA – Bloemfontein. Front: Prof Matie Hoffman

In his book, The World is Flat, Thomas Friedman mentions how at first countries, then companies, and eventually communities went global. In true flat-world fashion, a combined team of the University of the Free State (UFS) and the Astronomical Society of South Africa – led by Prof Matie Hoffman, Associate Professor in the Department of Physics – participated in a once-in-a-lifetime event with their counterparts from the Ellinogermaniki Agogi School and the Skinakas Observatory in Greece.

On 21 December 2020, Earth was treated to the Jupiter-Saturn conjunction, when the two planets were only 0.1 degrees apart in the sky. Although conjunctions are regular phenomena, NASA mentions that the great conjunction of Jupiter and Saturn in 2020 was the closest since 1623 and the closest observable since 1226! A pinkie finger at arm’s length could cover both planets – although they were still millions of kilometres apart in space.

Planning started months ahead of the event, with the Ellinogermaniki Agogi Observatory in Greece and the Boyden Observatory in Bloemfontein chosen as the two selected vantage points. From both the Southern and Northern Hemisphere, the conjunction would be broadcast live on YouTube. As with any other technical project on an international scale, challenges arose. For example, in the Northern Hemisphere, it was already dark at 17:45 while the South African astronomers were still basking in sunlight until after 19:00. The conjunction would only be visible from South Africa after 19:30, almost two hours after it would be visible in Athens. The time was well used, with the event including a word of welcome by the Consul General of Greece in South Africa, Ioannis Chatzantonakis, presentations on Saturn and Jupiter, as well as a virtual tour of the Boyden Observatory, emphasising its connection with Greece through its first Director, Stefanos Paraskevopoulos. 

On Saturday, 19 December, the teams ‘gathered’ on opposite sides of planet Earth to do a dry run. One could sense the urgency and tension as both teams realised that they would have a huge captive audience on YouTube, and plans had to be made in case of connectivity challenges and if the weather did not allow the conjunction. As preparations progressed, Prof Hoffman was talking to his Greek counterparts and was simultaneously walking around with his laptop to share the landscape and activities via his webcam with colleagues in Greece. 

Monday 21 December 2020 – the weather prediction was correct. Clouds covered the Free State sky and scattered raindrops started to fall. Revert to Plan B. A recording made on Saturday evening was shared via the YouTube link, while a live feed of the conjunction from elsewhere in South Africa was arranged. From both sides of the world, information was shared about the history of the venues, as well as the marvel of what was happening in space. Fortunately, expert planetary photographer Clyde Foster was able to share a live feed just after 19:30 from the observatory at his home in Centurion, Gauteng. Those attending the event where visuals and speakers were together on one screen – yet thousands of kilometres apart – watching an event in outer space, will indeed agree with Thomas Friedman: the world is flat. The live-stream event of the conjunction was a catalyst that will result in continued collaboration between the UFS and colleagues in Greece in the field of astronomy. 

By the time of this writing, the livestream has reached more than 50 000 people.


News Archive

UFS Autumn Graduation inspires perseverance
2015-04-20

 

Louzanne Coetzee and her guide dog, Oakley after she received her degree at the UFS’s Autumn Graduation.
Photo: Gerhardus Bosch

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Prof Himla Soodyall
Mr Ndumiso Hadebe
Leanne Manas
Dr Maria Phalime
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Autumn has seen the UFS’s first graduation ceremonies of the year on the Bloemfontein Campus. From 14 to 17 April 2015, a total of 3 660 graduates were rewarded for their hard work while top speakers addressed them in the Callie Human Centre.

UFS Chancellor, Dr Khotso Mokhele, commented the more than 250 students who passed their degrees with distinctions at the autumn graduation.

Prof Soodyall, a Medical Scientist at the South African Institute for Medical Research as well as  Principal Medical Scientist for the National Health Laboratory Service, and Director for the Human Genome Diversity and Disease Research Unit at the University of Witwatersrand delivered the first motivational message of the April Graduation. The group of graduates in the Faculty of Natural and Agricultural Sciences listened as she shared her story with them.
 
"My own career – with no grand design or script – steered me into conducting genetic research on human populations from sub-Saharan Africa with a focus on a better understanding of human evolution, and to reconstruct the prehistory of African populations. While giving graduates a glimpse on how her career progressed, Prof Soodyall said: "I share these stories with you to give you some reassurance that you do not need feel that you have to figure out every minute detail of where to from here. Things fall into place with hard work, dedication, and dreams.

The developed world is forging ahead with interventions, so the gap between the developed world and the developing world continues to grow bigger. Prof Soodyall said: “You have the unenviable opportunity to think strategically, and to use the modern tools in your respective fields to make significant advances to transform our society, and to contribute to making it a better place for all. We need to embrace the current challenges, and build networks and bridges across disciplines to close the gaps, to work beyond the cultural barriers, and to ensure equity in access to health, water, education, etc, for all, as we would wish these things for ourselves and our families.

Read the full story of the Autumn Graduation 2015

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