Latest News Archive

Please select Category, Year, and then Month to display items

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

UFS celebrates Kovsie Week

2009-08-21

The University of the Free State (UFS) will be celebrating Kovsie Week from 31 August to 4 September 2009. The week affords friends, colleagues and former colleagues of the UFS the opportunity to enjoy one another’s company and to experience what the university offers.

The programme is as follows:

On Monday, 31 August 2009, a star-gazing programme and lecture entitled “400 Years of Astronomy after Galileo” are presented by Prof. Matie Hoffman at the Boyden Observatory at 17:30 for 18:00. Attendance is free and bus transport will be available from the UFS Main Campus for the first 70 guests that respond. Reserved parking has been arranged with a security guard to look after the cars that are left on the campus.

On Tuesday, 1 September 2009, guests can attend the production by Pieter Venter entitled “Impi” for free in the Wynand Mouton Theatre at 14:30 for 15:00.

On Wednesday, 2 September 2009, an enjoyable morning in the company of Mr Derek de Bruyn from the National Museum is presented at the Centenary Complex of the UFS at 09:30 for 10:00. He will talk about the social life of Bloemfontein during the early 1900s and guests will be entertained by the Boere Orkes of Grey College Primary School under the direction of Santjie Louw. Attendance of this event is free.

On Thursday, 3 September 2009, at 19:00 for 19:30, a candle-light, sherry and soup evening with romantic piano music is presented at the UFS Centenary Complex by Prof. Nicol Viljoen from the UFS’s Department of Music. The programme includes, amongst others, 10 Lieder ohne worte (Felix Mendelssohn), as well as Ballade No. 1 (Fryderyk Chopin). Attendance of this event is also free.

The week will end with the Kovsie-Alumni Award Gala Dinner that will take place in the UFS Centenary Complex on Friday, 4 September 2009, at 18:30 for 19:00.
The cost per person for the dinner is R120. The Kovsie of the Year Award for alumni, the Cum Laude Award, and the Alumni Award for Exceptional Service at the UFS will be awarded at this occasion.

Transport can be arranged to all the functions and parking will be available as close as possible to the venue where the functions take place. Persons interested to attend any of the functions can contact Annanda Calitz at 051 401 3382 or ficka.stg@ufs.ac.za, or Ms Kathy Verwey at 051 401 9343 or verweyke.stg@ufs.ac.za.

Media Release
Issued by: Lacea Loader
Deputy Director: Media Liaison
Tel: 051 401 2584
Cell: 083 645 2454
E-mail: loaderl.stg@ufs.ac.za
21 August 2009

Back

Economic and Management Sciences

Education

Health Sciences

The Humanities

Law

Natural and Agricultural Sciences

Theology and Religion

Open Distance Learning

Business School

We use cookies to make interactions with our websites and services easy and meaningful. To better understand how they are used, read more about the UFS cookie policy. By continuing to use this site you are giving us your consent to do this.

Accept