17 - The Earth, The Moon, And A Game Of Shadows
In this episode, we talk about what happens in the shadows around our planet, from the phases of the Moon to why eclipses can turn our satellite blood red!

In this episode, we talk about what happens in the shadows around our planet, from the phases of the Moon to why eclipses can turn our satellite blood red!
In this episode, we are joined by European Space Agency scientist Dr. Dave Williams who talks about the incredible Solar Orbiter mission. This will study the solar wind, the interior of the Sun, and will observe the polar region of our star for the very first time!
We are back for season 2 and we start with a question every supervillain wants answering: how to completely annihilate the Earth using whatever the cosmos provides!
In this first Christmas Special, guest-produced by Shaun O'Boyle, we leave our standard format behind and jump into a world of science fiction and horror. This is brought to life by the extraordinary voices of Katy Evans, Dr Suze Kundu, Powder Scofield, and Russell Moul.
Space around the Earth is full of junk and one of our listeners asks "what are we doing about that?" To answer's this question we bring in an expert, Joshua Lurie and dive deep into ways to clean up after ourselves in space.
Can we send a probe inside a black hole? And why are we so obsessed with the Milky Way? This and more in this episode of The Astroholic Explains!
In this episode we talk about globular clusters and how they help us work out the age of stars, and then return to our neighbourhood to investigate the rumour of an undiscovered planet in the Solar System.
This time we answer two questions from the same person. Laurie asks if other solar systems are likely to be similar to ours, and about the risk of pregnancy in space.
In this episode we answer two different but equally important questions. What would the headlights on a spaceship moving at the speed of light look like, and are there actually aliens out there?
In this episode we tackle two more questions from our lovely listeners. The first is about what determines the rotation of planets and the second one focuses on the matter at hand: are we really made from stardust?
In this episode, we answer two listeners' questions one about Flat-Earthers and one about astrology. Surprisingly, it is not as ranty as you might expect, at least not from Alfredo. No more spoilers, have a listen and get in touch if you have more questions.
Almost 111 years after the Tunguska Event we answer our first (unexpectedly nepotistic) crowdsourced question about the risk of an asteroid impact, and we try to wrap our heads around just how devastating such events could be!
In this episode we investigate the Goldilocks Zone, the area around a star where planets might have the right conditions for habitability, and we travel through the solar system to look for life outside Earth.
The Milky Way is on a collision course with the closest major galaxy, Andromeda. What's going to happen to our solar system when the two objects finally collide? Find out in this episode of The Astroholic Explains!
Where do alien-leprechauns hide their gold? Alfredo explores the colour spectrum, and tells us what rainbows on other worlds could look like.
What's the deal with that mysterious wobbling black hole? And what are the dangers of the supermassive black hole at the heart of our galaxy?
Chris has a burning question about mass and why the universe doesn't just collapse onto itself. Alfredo gives us the low down on what's up with gravity!