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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 Centenary ends with a weekend of festivities
2005-02-04

The University of the Free State ’s (UFS) Centenary celebrations will come to an end this weekend with a packed programme.

“We celebrated this momentous milestone of the UFS since 28 January 2004 and want to end the year on a high note,” said Mr Jan Ras, Centenary Coordinator.

The weekend will start on Friday 4 February 2005 when Prof Frederick Fourie, Rector and Vice-Chancellor, will open the UFS officially. This will be followed by an historic photo of all staff and students who are on campus that day. All staff will be wearing their academic gowns and the Centenary emblem will be depicted.

The annual Kovsie Engen Rag, with We thank you South Africa as theme, will take place on Saturday 5 February 2005 . The procession will start at 08:00 from the UFS Kovsie church and will move down Nelson Mandela Drive and right into Markgraaff Street exit until it reaches St Andrew’s Street. From here it will turn right into Kings Way where it will stop at the Art Market at 10:00 . Prof Frederick Fourie will then propose a toast on the procession. Afterwards the groups and orchestras will step out and the floats will move through the center of town around Hoffman Square and then back to the UFS campus.

According to Mr Ras a reunion for the Student Representative Council (SRC) will also take place this weekend. About 100 former SRC members are expected to attend the planned activities.

The weekend will be concluded on Sunday 6 February 2005 with a special service of devotion, hosted by all the interdenominational groups on the campus. The service starts at 18:00 for 18:30 in front of the Main Building of the UFS and will be a celebration of praise, thanks and worship, followed by a message from Dr Wollie Grobler. The evening will be concluded with a mass choir and a fireworks display.

“Members of the public are welcome to attend the service of devotion and are requested to bring a candle for the purpose of the mass choir. Although chairs will be arranged in front of the Main Building , people are requested to bring extra pillows and blankets to sit on,” said Mr Ras.

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