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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

Enhancement of social justice focus at research colloquium

2010-10-07

At the third Education for Social Justice Research Colloquium the publication Praxis towards sustainable empowering learning environments in South were handed to Prof. Ezekiel Moraka, Vice-Rector: External Relations at the UFS. At this occasion were, from the left: Prof. Dennis Francis, Dean of the UFS Faculty of Education; Prof. Sechaba Mahlomaholo, Research Professor in the Faculty of Education Sciences at the North-West University; Prof. Moraka; and Dr Milton Nkoane, Senior Lecturer in the UFS Faculty of Education.
Photo: Leonie Bolleurs

This year, the University of the Free State (UFS) was the host for the Research Colloquium: Education for Social Justice for the very first time. It is the third time that this colloquium has been presented.

Prof. Ezekiel Moraka, Vice-Rector: External Relations at the UFS, opened the colloquium, stating that academics, through their research, are ultimately in a good standing to advise government on important issues such as social justice for them to address these issues accordingly.

Prof. Sechaba Mahlomaholo, Research Professor in the Faculty of Education Sciences at the North-West University, delivered the opening address on the theme: Validating community cultural wealth towards sustainable empowering learning environments for social justice. He said that the legacy of our recent past as South Africa still continues to haunt us, especially as exemplified in the dysfunctionalities that are rife in our education.

“With the colloquium we manage to bring together the ideas, thoughts, resources and efforts of educators and/or educationists concerned with the creation of a more equitable, equal, free, hopeful, peaceful and socially just society. Through our teaching, our community engagement and research activities we strive towards a more humane, caring, respecting and respectful South Africa and the world,” he said.

According to Prof. Mahlomaholo, education and its research are some of the most potent mechanisms at the very centre of social transformation. The papers at the colloquium focused on investigating, understanding and responding to issues of amongst others:

The medium of teaching and learning which continues to be a barrier to many learners to perform to the best of their abilities in the majority of the education institutions in South Africa;
Health, sexuality, HIV/Aids, stigmatisation and other deseases plaguing our communities currently;
Self-fulfilling prophecies and stereotypes about some learners not being as intelligent as the rest and this finally being reflected and confirmed in their poor academic achievements;
Differentiated levels of parental involvement in the activities of their children’s learning due to long absences from their families as they have to work in far-off places of employment;

Papers delivered at the colloquium moved beyond merely identifying the problems; they also suggested possible and plausible research-based solutions to these, such as integrating HIV/Aids education in curricula, listening to the aspirations of significant stakeholders such as mothers and parents generally in teaching and facilitating more rigorous community engagement practices.

At the colloquium gala dinner the book Praxis towards sustainable empowering learning environments in South Africa by authors Dr Milton Nkoane, Senior Lecturer in the UFS Faculty of Education, Prof. Mahlomaholo and Prof. Dennis Francis, Dean of the Faculty of Education at the UFS, was launched. The publication consists of a collection of the best peer-reviewed papers from a conference with the theme Creating sustainable empowering learning environments through scholarship of engagement. The main criterion for inclusion was that the paper should contribute to the theme by means of an original, tight, theoretical and empirical study conducted with the aim of informing the practice of creating sustainable empowering learning environments. The concrete cases examined in many of the chapters are very useful to helping readers understand the specific, on-the-ground concerns related to higher education and schools.

Media Release
Issued by: Leonie Bolleurs
Strategic Communication
Tel: 051 401 2707
Sel: 0836455853
Email: bolleursl@ufs.ac.za
30 September 2010

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