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Close encounters of the planetary kind

28 January 2021 | Story Igno van Niekerk | Photo Supplied

conjunction_web read more — 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.

Watch: Coverage of the Jupiter-Saturn conjunction here

News Archive

Messages and mail – what people say about Kovsies

2014-10-02

Letters from Kovsie students, parents, the community and even visitors to our university from across the globe regularly pour into our mailboxes and onto our social media pages.

To give you a glimpse of what they say about our institution, here are a few examples:

•   If you continue with this innovative thinking then the UFS will soon become the Ivy League institution of South Africa. – Chris Abels, United Kingdom

•   My daughter loves Kovsies. She has really come out of her shell as a result of the wonderful environment created by Kovsie leaders. She is flourishing and has for the second year in a row achieved the distinction of being a top academic student. Once again, thank you for your kind assistance which clearly indicates to me that Kovsies treat their students like family and not merely a number. – Grant Combrink, Port Elizabeth

•   The state of the University of Free State inspired me to go back to school and do my law degree. The cleanliness and the mood of the institution was inspirational and not only to me but also to a few of my colleagues. – Joseph Peter Kgomo, a journalist with the public broadcaster

•   I arrived in Bloemfontein to begin a one year appointment as a Fulbright Scholar. I have remarked to friends and colleagues in America that we can learn a great deal about hospitality towards our foreign visitors by embodying the altruism demonstrated throughout your campus. Thank you for the opportunity to become a Kovsie. – Professor Brenda C Eppley, Professor at Area Community College in Harrisburg, Pennsylvania, USA

•   I would like to congratulate you on the job well done regarding transformation and integration thereof. Indeed, the UFS that I am in is not the UOVS that I was in. – Tefo Masoetsa

•   I attended the Oprah Winfrey graduation ceremony in 2009 and when Dr Desmond Tutu received his honorary Doctorate. On both occasions one felt something big and miraculous was happening and many in the audience were moved. You are doing something down there in the Free State that really deserves attention! – Joy Summers, Producer: Carte Blanche

•   There will be much more hurt before our country is healed, but it will be the Kovsie doctors, psychiatrists and teachers applying the plasters and it will be the Kovsie architects, quantity surveyors, jurists and farmers building and regulating a new country. – Marzanne Lombard, proud former member of Soetdoring and Welwitschia Residences

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