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19 November 2024 | Story Pat Lamusse | Photo Supplied
Space and satellites 2024
During the visit to the Naval Hill Planetarium, were from the left, Dr Mart-Mari Duvenhage and Prof Matie Hoffman from the UFS Department of Physics, Consul General Stephanie Bunce and Vanessa Toscano from the US Consulate, and Dinah Mangope from the Department of Physics.

A delegation from the United States (US) Consulate General in Johannesburg, including Consul General Stephanie Bunce and Public Affairs Officer, Vanessa Toscano, visited the Bloemfontein Campus of the University of the Free State (UFS). Consul General Bunce met with the acting Vice-Chancellor and Principal of the UFS, Prof Anthea Rhoda, and the Dean of the Faculty of Natural and Agricultural Sciences, Prof Paul Oberholster. The US delegation also visited the Naval Hill Planetarium.

The UFS recently received a grant from the US Embassy to fund a project to promote science education by highlighting the role of satellites in our lives. Colleagues from the Department of Physics had the opportunity to demonstrate first-hand how the planetarium technology will be used to implement the project, which poses the question – what if something happens in space that interferes with the thousands of satellites we use for communication, weather prediction, navigation, banking … surveillance?

Thanks to this grant, the UFS will explore these questions and contribute to space situational awareness (SSA) and space domain awareness (SDA). SSA involves knowledge about the orbits of spacecraft and space debris. SDA refers to the knowledge and understanding of all activities occurring within the space domain.

There are currently at least 10 000 active satellites in Earth orbit, most of which are in low Earth orbit (LEO). However, in addition to satellites, there are well over 45 000 objects larger than 10 cm in orbit, including more than 35 000 pieces of space debris, such as dead satellites, rocket bodies, and pieces from breakups and collisions. Since 1991, there have been at least six unintentional collisions between active satellites and space debris.

Space turned out to be not as big as once thought, especially not in low Earth orbit (LEO – altitude less than 2 000 km). To make things worse, there are plans to launch up to 100 000 new satellites into LEO over the next decade.

Prof Matie Hoffman from the UFS Department of Physics notes, “We live in an era when the space economy is growing fast and the number of objects in Earth orbit, including satellites and space debris, is increasing rapidly. This poses risks to operational satellites. Recent publicity around Elon Musk’s Starlink satellites has generated additional interest around this topic. It is important to raise awareness of the challenges, which will allow scientists to mitigate them.”

The project will involve expertise in optical satellite observations from the University of Michigan through Prof Patrick Seitzer, international patron of the Friends of Boyden Observatory, and the American Museum of Natural History (AMNH). The grant will fund planetarium upgrades that will enable education on space and satellites, as well as optical satellite observations from Boyden Observatory. Beneficiaries will include learners, higher education institutions (both locally and in the US), and the public. South African project partners will be the South African National Space Agency (SANSA), the Future African Space Explorers’ STEM Academy (FASESA), and satellite-related companies in South Africa.

The Boyden Observatory is ideally situated to provide valuable optical satellite observations in an area of the sky that is not accessible from existing satellite observing facilities, especially for objects in LEO. In fact, the first observation of space debris in geosynchronous orbit was from Boyden Observatory in 1967.

The project will be rolled out from the end of 2024, harnessing facilities at both Boyden Observatory and the Naval Hill Planetarium.

News Archive

Department of English changed to empower students
2017-07-05

Description:Department of English  Tags: Department of English

Lecturers from the Department of English at the University of the Free State have been working
hard to create a robust learning environment for students through continuous assessment.
Photo: Sonia Small


A new curriculum, exciting third-year seminars, and a transition to continuous assessment. These are some of the changes made by the Department of English at the University of the Free State (UFS) over the past few years. The department, which also boasts four National Research Foundation (NRF) researchers, did this to tailor the curriculum towards the needs of its students and to foster a better culture of engagement.

According to Prof Helene Strauss, Head of the Department, the advantages of these changes are clear. “Staff have noted a significant improvement in both the basic writing and critical deliberation skills of our students, and in the responsibility they are taking for their own learning.” The new curriculum empowers students to take a position in relation to the knowledge they encounter in the classroom, thereby strengthening their own critical voice.

Taking continuous responsibility

One of the most significant changes for students was the fact that they have to take responsibility all the time. Prof Strauss says continuous assessment changed “last-minute cramming to near-daily, student-centred activities of reading, writing, and critical discovery.”

Because students have to prepare for lectures and reflect on materials, they are in a better position to internalise difficult debates and critical concepts. “Rather than telling students what to think, we help them develop flexible, critical tools to make sense of a changing world.”

Third-year seminars are another way of including forms of instruction that concentrate on the links between education and democracy, but still improve students’ ability to speak and write English accurately. Every semester, students can choose seminars from a range of topics such as ‘Witchcraft’ (Prof Margaret Raftery) and ‘The Art of Dying’ (Dr Mariza Brooks).

Research and associates around the world

Dr Marthinus Conradie, Dr Rodwell Makombe, Prof Irikidzayi Manase, and Prof Strauss are all NRF-rated researchers in the department.

The department also has affiliated research associates from countries including Zimbabwe, the USA, and Canada. Dr Kudzayi Ngara currently holds a competitive NRF grant for a project on Southern African urbanity, and Dr Philip Aghoghovwia recently received the prestigious African Humanities Programme Fellowship.

Under the guidance of Dr Ngara, the department has been able to roll out a new Honours programme on the Qwaqwa Campus. The campus now also offers students the opportunity to pursue MA and PhD studies.

Other highlights:
• Hosted the international Institute of the Association for Cultural Studies in 2015.
• Books published: Dr Susan Brokensha (with Burgert Senekal). Surfers van die Tsunami: Navorsing en Inligtingstegnologie binne die Geesteswetenskappe (SUN MeDIA, 2014); Prof Iri Manase. White Narratives: The depiction of post-2000 land invasions in Zimbabwe (UNISA Press, 2016); as well as co-edited volumes with Cambridge Scholars Publishing (Dr Oliver Nyambi) and Routledge (Prof Helene Strauss).
• Publications include three special journal issues (of ISI journals Critical Arts: South-North Cultural and Media Studies; Safundi: The Journal of South African and American Studies; Interventions: International Journal of Postcolonial Studies).

 



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