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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

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KovsieSport celebrates three varsity tournaments' titles

2015-04-21

Both staff and students celebrated the Shimlas, KovsieTennis, and KovsieNetball’s achievements.
Photos: Hannes Pieterse

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In this week of graduation ceremonies, the University of the Free State had more than its academic achievements to celebrate. The Shimlas’ brilliant triumph in the Varsity Cup as well as the achievements by KovsieTennis and Kovsie Netball was celebrated at a colourful event on the Bloemfontein Campus.

At the celebrations, which were well supported by the campus community, the Vice-Chancellor and Rector, Prof Jonathan Jansen, congratulated all three teams on their outstanding achievements. Not only did the Shimlas walk off with the Varsity Cup, they also won every game they played. AJ Coertzen, the Shimlas’ captain, said: “Although we were well prepared and physically fit, the fact that we played for one another contributed much to our success. As a team, we have grown from friends to brothers.”

KovsieTennis was congratulated on wearing the USSA tennis crown for the fourth consecutive year. In addition, they have the following triumphs to their name: 2007 – SASSU (South African Students Sports Union) (Ladies); 2008 – USSA (University Sport South Africa) (Ladies) and 2009 USSA (Men). Duke Munroe, captain of the KovsieTennis team took the opportunity to thank the team personnel. He believes that hard work behind the scenes by the coach, Marnus Kleinhans, and the team manager, Janine de Kock, contributed greatly to the team’s success.

KovsieNetball was also praised for their successes. In 2014, under the captaincy of Karla Mostert, they won gold at the Varsity Netball championships. They also won the National Premier League. The UFS is also proud of its netball players in various national teams: SA Under 19-23, the Protea groups, and the SA University team.

At the celebrations, Karla said: “The environment and the people you surround yourself with dictate how easily you achieve success. Our achievements and successes are evidence of the quality of the coaches, supporters, and facilities available to us.

After the event on the Red Square, the teams made an appearance in the Callie Human Centre, where they were enthusiastically congratulated by graduands, their families and the university management. Dr Khotso Mokhele, Chancellor of the UFS, also praised the teams for their achievements. “You are a team without individual stars. That is the sort of team I want to be part of.”

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