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PODCAST

The Astroholic Explains

Alfredo Carpineti

The Astroholic Explains is a light-hearted question & answer podcast about astronomy, where Dr Alfredo Carpineti and his husband Chris discuss the mysteries of the universe with the occasional guest and sometimes through the medium of an audio drama!

science astronomy

All Episodes

00:24:02

Why Darkness Matters

The Astroholic Explains ·

2025/08/29

You can’t save the dark skies without convincing people it matters, and education is crucial to this. Across the world, so many are working on that specific aspect, and we will hear from some of these extraordinary communicators in this episode.The episode features:Rayan Khan, founder of Cosmic TribeShweta Kulkarni, founder of AstronERADr John Berentine, Principal Consultant at Dark Sky Consulting LLCRobert Massey, Deputy Executive Director of the Royal Astronomical SocietyBettymaya Foott,

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00:29:10

To Protect A Common Heritage

The Astroholic Explains ·

2025/08/22

The battle against light pollution goes through policy and legislation. Certain regions of the world are actually in a better situation than you might think. While the road ahead is long, we talked to those who are paving the way.The episode features:Yana Yakushina, lawyer at the Space Court FoundationRayan Khan, founder of Cosmic TribeDr John Berentine, Principal Consultant at Dark Sky Consulting LLCRobert Massey, Deputy Executive Director of the Royal Astronomical SocietyJasmine van der Pol,

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00:31:29

Where The Dark Skies Are

The Astroholic Explains ·

2025/08/15

For most people, a dark enough sky can only be accessed on holiday, away from cities. There is a growing movement of astrotourism, so we look into what that’s like, and how it helps the fight against light pollution. The episode features:Rayan Khan, founder of Cosmic TribeMegan Eaves, author of NightfaringShweta Kulkarni, founder of AstronERADani Robertson, Dark Sky Officer for Eryri National Park and the Areas of Outstanding Natural BeautyCarol Redford, Founder & CEO of Astroturism Western

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00:28:08

Vanishing Stars, Vanishing Nature, Vanishing Health

The Astroholic Explains ·

2025/08/08

This episode of Starless focuses on the impact of light pollution. How has anthropogenic light changed the world in less than two centuries? The full impact is not completely understood, but what we know makes for a very concerning tale.The episode features:Dr Michelle Wooten, Assistant Professor of Astronomy Education at the University of Alabama at Birmingham.Dr Mario Motta, Cardiologist and astronomer, whose work has specialized in the effect of light pollution on human health.Dr Brett Seymoure,

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00:26:26

Fading To Black: The Dark Skies Movement

The Astroholic Explains ·

2025/08/01

In this introductory episode, we will be talking about dark skies and light pollution in general, and what some organizations are doing to protect the night sky, as well as some of the misconceptions about reducing light pollution.Featuring:Rayan Khan, founder of Cosmic TribeMegan Eaves, author of NightfaringShweta Kulkarni, founder of AstronERADr John Berentine, Principal Consultant at Dark Sky Consulting LLCRobert Massey, Deputy Executive Director of the Royal Astronomical SocietyBettymaya Foott,

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00:20:18

Concerning Space-Time

The Astroholic Explains ·

2024/12/22

For the 2024 Christmas Special, we tackle Special Relativity and Chris's issues with time dilation and relativity in general! Link for Invisible Rainbows

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00:19:22

What Was Egyptian Sky Iron?

The Astroholic Explains ·

2024/08/06

Chris and I decided to find out when humans realized that meteorites came from beyond Earth: it could be a lot older than it was once thought! Egyptologist Dr Victoria Almansa-Villatoro joins us to discuss meteorite artifacts and intriguing hieroglyphs from Ancient Egypt.

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00:17:48

For How Long Have Humans Believed In Aliens?

The Astroholic Explains ·

2024/07/19

We are talking about ancient aliens. (No, not the racist conspiracy theory!) We look into the concept of extraterrestrials over history and how it originated. Who were the first recorded people who pondered about life outside Earth?

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00:13:28

How Does Sound Spread In Space?

The Astroholic Explains ·

2024/07/02

In this episode, we tackle the classic concept of sound in space, what can we measure, and why it is important that some sound waves move through the cosmos.

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00:22:24

Could We Tell If We Were In A Middle Of A Galaxy Merger?

The Astroholic Explains ·

2024/06/18

Our position inside the Milky Way doesn't give us an advantageous view of our galaxy. But that doesn't mean we haven't found a way around it. Joined by Dr GyuChul Myeong, we explore how we make sense of the Milky Way and its past collision with the Gaia-Sausage galaxy.If you are interested in my book, here is a link to the crowdfunding page.

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00:15:44

Can You Save A Dying Star?

The Astroholic Explains ·

2024/06/04

In the last episode, we looked at how stars end up dead. So Chris has an important follow-up: can you find a way to heal and save a dying star?#InvisibleRainbows

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00:12:35

Do All Stars Expand When They Die?

The Astroholic Explains ·

2024/05/21

Our Sun and many other stars will become larger later in life. But is this a condition common to all stars? Guest questioner Francis wonders about the future of stars and their ultimate demise!

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00:19:57

Black Diamonds Are Actually Extraterrestrials - Feat....

The Astroholic Explains ·

2024/05/07

In this episode, we tackle the peculiar carbonado diamond, a black diamond that looks very different from the glittering gems we might be more familiar with. And we will discover that its origin might be out of this world!Carbonado Diamond going on auction Invisible Rainbows

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00:18:08

Can Planets Truly Have One Climate?

The Astroholic Explains ·

2024/04/23

Planets in sci-fi are often portrayed as having a single climate, but how truthful is that idea? This audience question gets the full treatment from Alfredo & Chris as they deal with the tatooines, hoths, risas, synnaxes of the real universe!

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00:15:47

Hunting The Great Mexican Eclipse

The Astroholic Explains ·

2024/04/12

Join us in this unplanned video & audio diary as we go after the April 8 total solar eclipse in Mexico. For the video version: https://youtu.be/SR00jigmgR0?si=LKLYaoqvq_YaUo6V For #InvisibleRainbows: https://unbound.com/books/invisible-rainbows

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00:13:10

XS23 - Cosmicomics 100

The Astroholic Explains ·

2023/12/21

The Astroholic Explains Xmas Special is inspired by Italo Calvino's Cosmicomics on the 100th anniversary of the author's birth. Join us for an imaginative tale, not fantasy nor sci-fi, but one based on science facts: the formation of elements in stars and how they spread across the universe. ✨And if you are interested in my book, here is a link to the crowdfunding.

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00:05:44

Exclusive - Invisible Rainbows Excerpt

The Astroholic Explains ·

2023/11/30

I'm writing a book all about the astronomy we do with the light we cannot see with our own eyes. It's called Invisible Rainbows and features astronomers from all around the world. If you are interested in finding out more and maybe pledge for a copy, click on this link.

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00:24:34

61 - What's Beyond The Edge Of The Visible Universe?...

The Astroholic Explains ·

2023/08/17

In this episode, Alfredo and Chris are joined by cosmologist Professor Peter Coles. Together they explore the limits of the visible universe, whether finite or infinite, why there is no center, and what might be beyond the most distant region we can see.

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00:15:35

60 - Before The Big Bang

The Astroholic Explains ·

2023/08/03

We don't know and will likely never know what happened before the Big Bang, but Chris is curious about it, so we take a journey in the land before time and space!

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00:17:53

59 - Lunacy! Or Conspiracy Theories About The Moon's...

The Astroholic Explains ·

2023/07/20

Conspiracy theories and misconceptions about the Moon extend far beyond the Moon-landing! In this episode, we take a trip 4.5 billion years into the past to witness how Luna came to be.

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78 results

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