Tag Archives: Physics

How do orbits work?

Urban Astronomer avatarPosted on by

Welcome to another Science Explainy Bit episode of the Urban Astronomer Podcast. Today we try to figure out just what an “orbit” actually is. Is it really as simple as they said in primary school? How does gravity, which normally pulls things down, work to keep the Moon in space? Download this episode now, to find the answer, and also learn a little about my upcoming appearance at ScopeX! What is an Orbit? () This turns out to be quite … Continue reading →

Podcast: Play in new window | Download (Duration: 19:51 — 18.2MB) | Embed

Subscribe: Apple Podcasts | Android | Email | Google Podcasts | RSS | More

Podcast #38: Dr Pieter Kotzé at ScopeX 2018

Urban Astronomer avatarPosted on by

Welcome to episode 38 of the Urban Astronomer Podcast. This episode features the last part of our physics feature on the lifecycle of a star from dust cloud to super nova, and the 3rd of the ScopeX 2018 public lectures. Physics Over the past few episodes we’ve been trying to understand how a random cloud of dust and gas can turn into a supernova. In this segment, we finally get to witness our supernova, but that’s just brought up more … Continue reading →

Podcast: Play in new window | Download (Duration: 42:31 — 38.9MB) | Embed

Subscribe: Apple Podcasts | Android | Email | Google Podcasts | RSS | More

Podcast #35: Itumeleng Monageng

Urban Astronomer avatarPosted on by

Welcome to episode 35 of the Urban Astronomer Podcast! This week we have a full show for you, with our main feature being an interview with South African astronomer Dr Itumeleng Monageng. We also continue our series on the physics behind the evolution of a star from gas cloud to black hole.  And finally, my new co-host Clem Unger brings us updates on current space missions. Itumeleng Monageng Itumeleng is a post-grad researcher working for the South African Astronomical Observatory … Continue reading →

Podcast: Play in new window | Download (Duration: 39:38 — 36.3MB) | Embed

Subscribe: Apple Podcasts | Android | Email | Google Podcasts | RSS | More

Podcast #32: Dr Nicole Gugliucci

Urban Astronomer avatarPosted on by

Welcome to the 32nd episode of the Urban Astronomer Podcast. This episode features an interview with Dr Nicole Gugliucci, whom long time listeners of astronomy podcasts should recognise from her work with Cosmoquest, and her many appearances on various shows in the 365 Days of Astronomy Podcast. This is quite a long-running interview, so we didn’t have time to include the next segment of our supernova story. We’ll pick that up next week instead, with the thrilling tale of what … Continue reading →

Podcast: Play in new window | Download (Duration: 55:36 — 50.9MB) | Embed

Subscribe: Apple Podcasts | Android | Email | Google Podcasts | RSS | More

Podcast #31: Clem Unger talks about OSIRIS-REx

Urban Astronomer avatarPosted on by

Welcome to the 31st episode of the Urban Astronomer Podcast. This episode features an interview with Clem Unger, an ambassador for the OSIRIS-REx mission who lives in Australia. This is followed by the next part of our series on the evolution of stars, taking us one step closer on our journey to seeing where supernovae come from. Clem Unger A few weeks back, I spoke to Clem Unger, who lives in Australia and serves in his spare time in the … Continue reading →

Podcast: Play in new window | Download (Duration: 43:17 — 39.6MB) | Embed

Subscribe: Apple Podcasts | Android | Email | Google Podcasts | RSS | More