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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

Former architecture student takes part in Archiprix in Moscow

2013-06-24

Jurie Swart in Moscow.
24 June 2013

“I am proud that I could honour the UFS’ name,” says Jurie Swart. He participated in the prestigious Archiprix in Moscow in May 2013.

Archiprix is an international competition where the world’s top architecture students are selected. Architecture departments, schools and faculties of 1 500 universities from 78 countries worldwide are invited to enter their top master’s students over two study years.

In 2012, Jurie Swart was honoured as regional winner of the Corobrik Architectural Student of the Year Award and also received an honourable mention in the 2012 International Graduate Architecture Projects.

After several months of careful evaluation by a panel of five experts, his thesis, Borderline – mediated landscape, A water research centre for the University of the Free State, Qwaqwa Campus, was nominated as one of the world’s 25 master’s projects to take part in the Archiprix in Moscow. His thesis was also on display at the Central House of Artists in Moscow for a couple of months.

The judges were Yuri Grigoryan (architect and director of the Moscow-based Project Meganom, as well as director of educational programmes at the Strelka Institute in Moscow); Susan Herrington (professor of architecture and landscape architecture at the University of British Columbia in Vancouver, Canada); Kristin Jarmund (architect and director of the Norwegian-based Kjark, an architectural house); Hubert Klumpner (architect, director of the Venezuela-based Urban-Think Tank, and professor of architecture and urban design at the ETH, Zürich ); and Lesley Lokko (architect, academic and author from the UK).

Jurie Swart was selected as the participants’ favourite. “From the top 25, seven winners were announced, and although I didn’t win, it is still an amazing achievement and I am proud to have honoured the university’s name,” he said.

During his visit to Moscow, he also attended a workshop with the rest of the nominated students. This project, with the theme Railroads, was an exercise to help solve Russia’s transport problems.

View his project

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