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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

Qwaqwa campus upgrade begins

2005-06-23

Academic facilities, including lecture halls and the library, on the Qwaqwa campus of the University of the Free State (UFS) will be upgraded to the tune of R1,4-million.

An extra R100 000,00 has also been made available for the upgrading of four staff houses on campus.

The tender for this project was awarded to a local business in the Qwaqwa region, Mguni Enterprises. This phase is expected to be completed next month - July 2005.

This is the second phase of upgrading of the Qwaqwa campus, following the earlier upgrading of student residences to the tune of R6,2-million.

“The total capital injection to improve the infrastructure on the campus is R7,7 -million. The aim of the upgrading is to improve the infrastructure of the campus in order to provide an atmosphere conducive to learning, “said Prof Peter Mbati, Qwaqawa Campus Head.

The first phase of the upgrading - amounting to R6,2 million - comprised of the upgrading of the five student residences and mainly dealt with the maintenance backlog. Residences were painted, old furniture replaced, electricity rewired and the necessary alterations made to ensure sufficient hot water supply as well as a new look to the face of the residences.

According to Prof Mbati the student visiting areas, reception areas and rooms were also improved by the changes in the first phase. The renovated residences now also boast facilities such as kitchenettes, washing machines and tumble driers and computers rooms.

There are currently 754 students staying in the residences. Three residences accommodate female students and the other two are for male students. Students who are not accommodated on campus stay at the former Tshiya College of Education, approximately 5 kilometers from the campus. These students are bussed in to the campus on a daily basis.

“All these developments are a major step forward for the Qwaqwa campus as it once again shows our commitment to the campus to make it an attractive site of higher education in the Eastern Free State,” said Prof Frederick Fourie, Rector and Vice-Chancellor of the UFS.

Media release

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

23 June 2005

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