The Astroholic Explains
What’s The Great Attractor?
In the zone of avoidance, far from us, something is pulling the Milky Way and so many other galaxies. It is time to meet The Great Attractor, a fascinating gravitational object.
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The Astroholic Explains
The Astroholic Explains S04E06 – The Light Of The First Stars Feat. Dr Emma Chapman
In this episode, we turn back time to the moment known as cosmic dawn ready to understand the first stars and how they changed the Universe. A guiding light in this journey is Dr Emma Chapman, author of the book First Light. Listen on Apple Podcast or on your favourite podcast player through Anch...
The Astroholic Explains
The Astroholic Explains S04E05 – How Do Marsquakes And Moonquakes Happen?
On Earth, quakes are caused by the motion of the tectonic plates. Quakes also happen on the Moon and Mars without them, and Chris is curious to find out how they occur as well as to listen to one of these outer-world quakes. Listen on Apple Podcast or on your favourite podcast player through Anc...
The Astroholic Explains
The Astroholic Explains S04E04 – Square Kilometer Array: The Future Of Radio Astronomy Feat. Dr Anna Bonaldi
In this episode, Chris is curious about a particular technique that allows building virtual radio telescopes the size of our planet, like the Event Horizon Telescope. So we invited an expert to tell us about radio interferometry and the Square Kilometer Array, the project that will push radio ast...
The Astroholic Explains
The Astroholic Explains S04E03 – How Astronomers Broke The Universe
There is something wrong with our model of the Universe. New data suggests that our assumptions about the cosmos are not all correct. Join us as we unravel the tension in the expansion rate of the Universe. Listen on Apple Podcast or on your favourite podcast player through Anchor. Main image Cre...
The Astroholic Explains
The Astroholic Explains S04E02 – An Observatory As Big As Our Galaxy Feat. Rami Mandow
Pulsars are the focus of this episode and we speak to radio astronomer Rami Mandow over in Australia to discuss how precise measurements of these fascinating objects have been used as a galaxy-spanning gravitational wave observatory. Listen on Apple Podcast or on your favourite podcast player thr...
The Astroholic Explains
The Astroholic Explains S04E01 – The Booty Blaster And The Quest For An Everlasting Message
Chris’ gym workout on a machine he erroneously called “the booty blaster” inspired this episode where we discuss if it’s possible to create something that will last as long as the universe. And that led us to a question for you, dear listener. Listen on Apple Podcast or on your favourite podcast ...
AstroNews
Meet Sagittarius A*
We have finally got an image of Sagittarius A*, the supermassive black hole at the centre of the Milky Way!
The Astroholic Explains
The Astroholic Explains XS21 – In That Cafe In Not Paris…
Our Christmas Special this year is a peculiar tale of the intimate corners we might create as we leave Earth behind to live in space. It was written by Dr Russel Moul, as his first time penning a radio tale, with the excellent voice of The Astroholic Explains’ team and the ever wonderful Katy Eva...
The Astroholic Explains
The Astroholic Explains S03E13 – Quickfire Round Vol. 2
We are at the final factual episode of season 3, so we went back to our very popular quickfire round format from season 2 and have once again crowdsourced many questions about the universe. Tune in to discover what happens if you try to hold a black hole, what’s the biggest object in the universe.
How About That?
What Is The Fastest Moon In The Solar System?
I was asked on Twitter on behalf of a very curious four-year-old what was the fastest moon in the Solar System. And I need to admit that I was a bit stumped. Which moon moves the fastest around its planet? Well, the answer might surprise you. Or maybe not. My reasoning is that the bigger […]
The Astroholic Explains
The Astroholic Explains S03E12 – The Universe & The Divine
Looking for life outside of our planet is far from easy, but researchers have many different tools they are using. We sat with Dr Mario Toubes-Rodrigo to discuss biosignatures and how we might eventually discovIn this live recording of the podcast, hosted by the Central London Humanists, Alfredo ...