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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

UFS welcomes Prof Francis Petersen as new Vice-Chancellor and Rector

2017-04-02

Prof Francis Petersen takes up office as the 14th Vice-Chancellor and Rector of the University of the Free State today.

“On behalf of the UFS Council and the university community, I would like to welcome Prof Petersen to the university. He brings to the UFS a distinguished academic record, confident leadership, innovative thinking, and an understanding of the extent of the challenges being experienced by universities in the broader South African context,” says Mr Willem Louw, Chairperson of the UFS Council.

“I am excited to join the UFS and look forward to meeting the university community, to get to know the three campuses, and to engage with staff and students. In a way, it was a natural progression for me to be appointed in this position, having been Dean of the Faculty of Engineering and the Built Environment at the University of Cape Town (UCT), and then Deputy Vice-Chancellor: Institutional Innovation at the same university. On the other hand, I believe that universities in South Africa need strong and innovative leadership. I would like to make a contribution to the higher-education system in this regard. Moreover, I regard the UFS as a very good university, and see my challenge in taking the UFS to the next level,” says Prof Petersen.

“Challenges and making a difference motivate me – whether complex or simplistic, the opportunity to be able to provide solutions and taking people with me while developing these solutions, is what ultimately motivates me.”

“It is important that different viewpoints are respected. The UFS must be a place where everyone feels welcome. There must be a strong sense of belonging; staff and students must feel they are making a contribution to the university,” he says.

According to Prof Petersen, the major challenge for the university is its institutional climate. “My focus would be to strive towards creating an institutional climate of inclusivity, respect for one another, valuing diversity in all its forms, and to make the university a welcoming place. The UFS is in the process of developing an Integrated Transformation Plan (ITP) that will serve as the road map to address the institutional climate challenge, but will also assist (if implemented effectively) in excelling the UFS in areas of teaching and learning, research and innovation, and community engagement through scholarship,” says Prof Petersen.

“I am a good listener, I am outcome-based, and my vision for the university includes diversity, inclusivity, and academic excellence,” he says.

Prof Petersen was born in Oudtshoorn and grew up in Malmesbury in the Western Cape, where he also matriculated. He graduated from Stellenbosch University with a BEng (Chem Eng), MEng (Metal Eng), and PhD (Eng) degrees and completed a short course on Financial Skills for Executive Management. He is a recipient of the Ernest Oppenheimer Memorial Trust Award for research excellence, and was visiting professor at the Cape Technikon and extraordinary professor in the Department of Chemical Engineering at Stellenbosch University. He is a regular reviewer of journals, and member of a range of editorial boards for international journals. He is also a registered professional engineer with the Engineering Council of South Africa and a Fellow of both the South African Institute of Mining and Metallurgy, and the South African Academy of Engineers.

He brings to the position of Vice-Chancellor and Rector his extensive experience of management in both the industry and academic sectors. He has been the executive head of strategy at Anglo American Platinum and head of the Department of Chemical Engineering at the Cape Technikon (now Cape Peninsula University of Technology). Among others, he previously served as member on the Board of the Council of Scientific and Industrial Research, the National Advisory Council on Innovation, and the Council of the Academy of Science of South Africa.

Prof Petersen is married and has two sons. He was appointed by the UFS Council at the end of 2016 after Prof Jonathan Jansen stepped down as Vice-Chancellor and Rector on 31 August 2016, serving in this position since July 2009. Prof Nicky Morgan, Vice-Rector: Operations at the UFS, has been acting Vice-Chancellor and Rector since 1 September 2016.

Released by:
Lacea Loader (Director: Communication and Brand Management)
Telephone: +27 51 401 2584 | +27 83 645 2454
Email: news@ufs.ac.za | loaderl@ufs.ac.za
Fax: +27 51 444 6393

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