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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

Remain positive, keep an eye on the finish line

2016-11-08

Description: Academic Reboot Pack 2.0 Tags: Academic Reboot Pack 2.0

Dealing with anxiety can be daunting.
There are methods to help and assist
with your anxiety.
Photo: iStock

No one is immune to anxiety, and the current challenging academic times are no exception. With the Academic Reboot Pack 2.0, the University of the Free State (UFS) addresses these adversities.

Dealing with anxiety differently

People react to anxiety differently. For some it’s like a dark tunnel with no light at the end, while it keeps others on their toes. Regardless of how you deal with it, it is still an unpleasant emotion.

“For me, it (anxiety) makes me more determined to do well, so that I can start the next part of my life as soon as possible,” said Greg Butters, a postgraduate BCom Accounting student at the UFS.

Ways to manage and overcome

There are different ways to manage anxiety. Here are some methods that can assist you in dealing with it:

Keep the following in mind when you are feeling anxious:

Realise that anxiety is an amplified response to stress.
Face your anxiety head-on.
Do not add to your anxiety by thinking about what "might" happen. If you find yourself asking "What if?" tell yourself "So what!"

Where to get the right help

It is also important to know that there is help. When you feel that anxiety is affecting you negatively, pick up a phone and call one of the following departments:

Medical Practice +27 51 401 2603
Qwaqwa Campus Clinic +27 58 718 5210
Sports and Exercise Medicine Clinic +27 51 401 2530
First Aid +27 51 401 3325
Emergencies (After hours) - ER 24 0800 051 051 or 084 124

You can also contact the South African Depression and Anxiety Group (SADAG) 24-hour helpline. SADAG has various helplines that can help you deal with anxiety and depression.

Get your copy of the Academic Reboot Pack 2.0 on Blackboardunder announcements or click here to download it.

Also see the first Academic Reboot Pack.

If students have any question or queries regarding the Academic Reboot Pack, they can send an email to: advising@ufs.ac.za.

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