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Tag Archives: Solar System

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Why did I defend the geocentric model?

Urban Astronomer avatarPosted on 8 Oct, 2019 by Allen Versfeld5 Dec, 2019
Diagram of Copernicus's answer to the geocentric system

In this eighth episode of the second season, I defend my defense of the Ptolemaic geocentric system of crystal spheres! I hadn’t even realized till I started recording that this is our 50th ever episode. I really should be so blown away that I’ve kept things going this long, but I’m not, somehow? Perhaps it’s just become a habit, and I stopped noticing milestones! But anyway, 50 episodes, I think that’s pretty amazing and I’m very proud to have made … Continue reading →

https://media.blubrry.com/urbanastronomer/s3.eu-west-1.amazonaws.com/constellationonline.net/media/Podcast/UrbanAstronomer/UA_Episode_50_S02E08.mp3

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Posted in The Urban Astronomer Podcast | Tagged History, Planet, podcast, Q&A, Science, science explainy bit, Solar System | Leave a reply

Why do planets orbit in the same plane?

Urban Astronomer avatarPosted on 10 Sep, 2019 by Allen Versfeld5 Dec, 2019
Outer solar system, by Riffsyphon1024 at en.wikipedia [Public domain]

In episode 48 of the Urban Astronomer Podcast, we’re doing another Science Explainy bit! These segments are where you get to hear my droning voice explain some fundamentals and answer listener questions. Today we get asked why it always is that planets orbit in the same plane, and why the Moon can be seen during daylight. If you like what you hear, don’t forget to tell a friend about the show, and make a small donation on our Patreon account. … Continue reading →

https://media.blubrry.com/urbanastronomer/s3.eu-west-1.amazonaws.com/constellationonline.net/media/Podcast/UrbanAstronomer/UA_Episode_48_S02E06.mp3

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Posted in Questions and Answers, The Solar System, The Urban Astronomer Podcast | Tagged Moon, podcast, Q&A, science explainy bit, Solar System | Leave a reply

Podcast #26: Neville Young

Urban Astronomer avatarPosted on 14 Feb, 2018 by Allen Versfeld14 Feb, 2018
Microphone. Image By Jpcuevas (Own work) [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons

This is the 26th episode of the Urban Astronomer Podcast, where we get back to our original focus of interviewing people involved in South African astronomy. Whether they’re professional or amateur, South African, or merely visiting to do astronomy under our clear skies through our world-class observatories, we want to talk to them.  In this episode, we chat with Neville Young. Neville Young Neville has been a member of the Pretoria center of the Astronomical Society of South Africa since the … Continue reading →

http://media.blubrry.com/urbanastronomer/s3-eu-west-1.amazonaws.com/constellationonline.net/media/Podcast/UrbanAstronomer/UA_Episode_26.mp3

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Posted in The Urban Astronomer Podcast | Tagged Interview, Outreach, podcast, Solar System, Telescope | Leave a reply

Podcast #8: Venus, KELT-11b and Blood Moon Pregnancies

Urban Astronomer avatarPosted on 27 Apr, 2017 by Allen Versfeld28 Apr, 2017
Artist’s impression of KELT-11b orbiting its host star. Image credit: Walter Benjamin.

Welcome to the 8th episode of the Urban Astronomer Podcast!  This week, Cathrine continues her series on The Planets with the hottest world in our Solar System: Venus.  Allen then reports on the discovery, by a telescope at SAAO’s facility in Sutherland, of KELT-11b, an unusually inflated exoplanet.  And finally we look at what is apparently a common question in parts of the world: Is it safe to watch a Lunar Eclipse, while pregnant? This is Cathrine’s second appearance in … Continue reading →

https://media.blubrry.com/urbanastronomer/s3-eu-west-1.amazonaws.com/constellationonline.net/media/Podcast/UrbanAstronomer/UA_Episode_8.mp3

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Posted in The Urban Astronomer Podcast | Tagged Moon, Mythology, Planet, podcast, Q&A, Solar System, Venus | 2 Replies

Mercury

Urban Astronomer avatarPosted on 19 Mar, 2013 by Allen Versfeld29 Mar, 2017
Mercury

Mercury is one of The five classical planets and an easy naked eye object.  The planets stood out from the other stars to our ancestors because of the way they all moved in regular patterns against the night sky, but Mercury was unique in its rapid motion and the way it never strayed far from the sun.  If the planets were to be named for gods, then it was only natural that the flighty mercurial one should be their messenger. … Continue reading →

Posted in Astronomy, Astronomy 101, The Solar System | Tagged Mercury, Mythology, Planet, Solar System | Leave a reply

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