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Space and satellites: awareness and observations

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

And the Best Managed Residence is…

2014-10-27

As examinations draw near and the end of the year is around the corner, residences want to know who the best of the best is.

During the 2014 Residence Awards on 22 October, the UFS announced their best managed residences of the year at the Bloemfontein Campus.

Wag-’n-Bietjie walked away with the spoils of the evening, winning both best managed female residence, and best managed residence overall. Armentum claimed the title of best managed male residence, while Sonnedou was named as the best managed day residence.

Further results for overall best managed residences and other categories are as follows:

Best Managed Residence
Male Residences:

Armentum
JBM Hertzog
Karee

Female Residences:

Wag-‘n-Bietjie
Roosmaryn
Soetdoring

Day Residences:

Sonnedou
Imperium
Marjolein

Overall Ranking:

Wag-‘n-Bietjie
Armentum
Roosmaryn

College

South College (Armentum, Emily Hobhouse, Marjolein, NJ vd Merwe, Villa Bravado)
East College (Arista, JBM Hertzog, Kayalami, Roosmaryn, Legatum, Sonnedou)
and North College (Madelief, Tswelopele, Vergeet-my-Nie, Veritas, Welwitschia)
Central College (Akasia, Kagiso, Karee, Soetdoring, Wag-‘n-Bietjie)
and West College (Abraham Fischer, Conlaurês, Imperium, Kestell, Outiniqua)

Environmental Affairs
Male Residences:     JBM Hertzog
Female Residences: Wag-‘n-Bietjie
Day Residences:        Sonnedou
Overall Winner:           Sonnedou

Diversity
Male Residences:                               JBM Hertzog
Female Residences:                          Akasia
Day Residences:                                Arista
Best Improved Male Residence:         Villa Bravado
Best Improved Female Residence:    Kestell
Overall winner:                                    Akasia

Executive Portfolios
Male Residences:                               Tswelopele
Female Residences:                          Wag-‘n-Bietjie
Day Residences:                                Imperium
Best Improved Male Residence:         Tswelopele
Best Improved Female Residence:    Marjolein
Overall Winner:                                   Imperium

Academics
Male Residences:                               Outeniqua
Female Residences:                          Wag-‘n-Bietjie
Day Residences:                                Imperium
Best Improved Male Residence:         Imperium
Best Improved Female Residence:    Marjolein
Overall Winner:                                   Wag-‘n-Bietjie

Finance
Male Residences:                               Armentum
Female Residences:                          Roosmaryn
Day Residences:                                Imperium
Best Improved Male Residence:         Villa Bravado
Best Improved Female Residence:    Kestell
Overall Winner:                                   Armentum

Culture
Male Residences:                               Abraham Fischer
Female Residences:                          Wag-‘n-Bietjie
Day Residences:                                Sonnedou
Best Improved Male Residence:         Armentum
Best Improved Female Residence:    Akasia
Overall Winner:                                   Wag-‘n-Bietjie

Sport
Male Campus and Day Residences:           Armentum
Female Campus and Day Residences:      Wag-‘n-Bietjie
Best Male RC Sport:                           Armentum
Best Female RC Sport:                      Sonnedou

First-Years
Male Residences:                                                       Armentum
Female Residences:                                                  Welwitschia
Day Residences:                                                        Sonnedou
Best Improved Male and Female Residence:            ConLaurês and Outeniqua
Overall Winner:                                                           Armentum

Prime
Male Residences:                               Tswelopele
Female Residences:                          Wag-‘n-Bietjie
Day Residences:                                Arista
Best Improved Male Residence:         Tswelopele
Best Improved Female Residence:    Arista
Overall Winner:                                   Tswelopele

Social
Overall Winner: Karee
Best Improved Residence: Kestell

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