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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

Extraordinary professor appointed

2005-11-10

UFS appoints its first extraordinary professor for health systems research and development

Prof Dingie van Rensburg (Director: Centre for Health Systems Research and Development at the UFS) and Prof Helen Schneider (senior researcher at the University of the Witwatersrand's Centre for Health Policy and extraordinary professor at the UFS Centre for Health Systems Research and Development). Photo: L Loader

The Centre for Health Systems Research and Development (CHSR&D) at the University of the Free State (UFS) has appointed its first extraordinary professor.

Prof Helen Schneider, former director of the Centre for Health Policy at the University of the Witwatersrand (WITS) and currently senior researcher in that Centre and consultant in the WITS School of Public Health, was appointed by CHSR&D for a period of two years.

“Prof Schneider is widely known for her thorough experience, expertise and exposure in the field of public health, health policy and management and health policy and systems research. We are honoured to have her join us as an extraordinary professor,” said Prof Dingie van Rensburg, Director of CHSR&D.

Prof Schneider will be involved in various components of the CHSR&D’s long-term project on public sector anti-retroviral treatment (ART) and will also assist in the documenting, monitoring, evaluating and facilitation of the implementation of the national treatment plan in the Free State. She is also assisting the Gauteng Department of Health in a similar way.

“The two provinces are actually so different. They provide a different window on the realities of HIV/AIDS and the intellectual traditions involved in it,” said Prof Schneider. “I hope to contribute meaningfully to finding new dimensions for research necessary in order to optimise the contribution and effect of the research on ART,” said Prof Schneider.

Another need for Prof Schneider’s appointment is to strengthen the senior research capacity of the CHSR&D, guide them with the ART project and assist in the implementation of research results into policy, management and practice.

Media release
Issued by:Lacea Loader
Media Representative
Tel: (051) 401-2584
Cell: 083 645 2454
E-mail: loaderl.stg@mail.uovs.ac.za
9 November 2005

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