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By Allen Versfeld on July 4, 2019 in
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This episode features an interview with Dr Stella Kafka, current director of the AAVSO (American Association of Variable Star Observers).

By Allen Versfeld on March 28, 2019 in
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How tides work and what makes Flat Earther’s reject established scientific knowledge. more with @uastronomer at #365DaysOfAstro

By Allen Versfeld on March 20, 2019 in
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Today we have @uastronomer discussion with Neville Young from South Africa. Check it out at #365daysOfAstro

By Allen Versfeld on October 23, 2018 in
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Willie Koortz discuss about South Africa’s role in the early days of the Space Age, looking at professional-amateur collaborative projects and MeerKAT continuing to contribute valuable scientific research.

By Allen Versfeld on October 9, 2018 in
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How to design, build, launch and operate satellite, with a special focus on South Africa’s own satellites over the past few decades.

By Allen Versfeld on September 11, 2018 in
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Podcaster: Allen Versfeld

By Allen Versfeld on August 28, 2018 in
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Mars One, it’s goals, and how it plans to achieve them.

By Allen Versfeld on August 14, 2018 in
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Discussion with Cassini mission scientist Dr. Michele Dougherty whose team made a number of discoveries about the Saturn system including the presence of a subsurface ocean on Enceladus.