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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

Johann swims his way to Olympics
2016-05-18


Johann van Heerden from the University of the Free State has qualified for the Paralympic Games in the swimming pool, and is now waiting to hear if he will be included in the South African team. Photo: Nadya van Heerden.

In the past couple of months, Johann van Heerden has been swimming his way to the Paralympic Games, and is still preparing as if he will be going to Rio de Janeiro.

The Kovsie swimmer, who will know whether he has been included in the Paralympic team in July 2016, feels his training is progressing well. The Olympics will be held in Brazil from 7 to 18 September 2016. If all goes well, this could be the first of several Olympics for the 20-year-old second-year Education student from the University of the Free State (UFS).

Dream year for Education student

Van Heerden (cerebral palsy), whose hero is the former Paralympic superstar Natalie du Toit, has had huge successes in the run-up to the 2016 Olympics. Among others, he was named the best senior swimmer at the Nedbank National Championships for the Physically Disabled in Bloemfontein in March 2016. At the South African Senior Championships in Durban in April 2016, he qualified for the Olympics in the 100 m breast-stroke with an A-qualifying time, and in the 50 m and 100 m freestyle with B-qualifying times.

Only three male swimmers to Olympics

However, he has to wait until the announcement of the South African Paralympic team, since only three male and three female swimmers will be selected. He will not be competing in another major event before the Olympics. “My short-term goal is to compete in this year’s Games, and, in the long term, I would like to reach even greater heights at the 2020 Games,” he said. Du Toit is an inspiration to him because “she was hard-working, and she had a lot of drive”.

Other students from CUADS also excel

At the above-mentioned National Championships, Van Heerden won a total of five gold medals (200 m medley, 100 m breaststroke, 50 m freestyle, 50 m breaststroke, and 200 m breaststroke) and one silver medal (100 m freestyle). Other students from the Center for Universal Access and Disability Support at the UFS also excelled.

Dineo Mokhosoa (cerebral palsy) won three gold medals (long jump, shot-put, and discus), while the athlete Louzanne Coetzee (blind) shattered the world record in the 5 000 m, as well as the Africa record in the 1 500 m. Juanré Jenkinson (cerebral palsy) won two silver medals (discus and shot-put) while Danie Breitenbach (blind) won two gold medals (800 m and 1500 m).

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