What is a Silent Barker? Good pub quiz question. It's a special space mission designed to keep an eye on the behaviour of satellites not belonging to the United States, in geosynchronous orbit. Silent Barker was launched last Sunday, Kechil gives us the lowdown.

Kechil talks to astronomer Itumeleng Monageng about his interests in astronomy, and covers some basic astronomy.

Kechil talks to astronomer Itumeleng Monageng about his interests in astronomy, and covers some basic astronomy.

Kechil talks to astronomer Itumeleng Monageng about his interests in astronomy, and covers some basic astronomy.

Kechil talks to astronomer Itumeleng Monageng about his interests in astronomy, and covers some basic astronomy.

Kechil talks to astronomer Itumeleng Monageng about his interests in astronomy, and covers some basic astronomy.

You too can be a scientist and help discover new exploding stars! Follow this link:

https://www.zooniverse.org/projects/alex-andersson/bursts-from-space-meerkat

It's not difficult, there are just some things computers don't do well at, and one of them is recognising patterns in pictures. Alex Andersson explains all in today's show.

Will South Africa send astronauts to the International Space Station in the next couple of years? The CEO of the South Africa National Space Agency has indicated they would like to do this. Ani Vermeulen, a space scientist and space engineer walks us through what it would take to achieve this ambitious target.

cfah.org.za is the website about Heritage Moons, detailing moons which are appropriate for the southern hemisphere.

The Ariane-5 rocket is launching for the last time tonight, hopefully. This is a true workhorse and has launched into space 116 times since 1996.

Do you know what Mars Dune Alpha is? Kechil describes a new lockdown-style activity.

Why is space engineering boring and what has this got to do with the Titan submersible disaster?