Growing Worlds

Lorenzo Mugnai

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ASTRONOMY
UPDATED BIWEEKLY

A podcast shining a light on the early-career researchers leading the search for worlds beyond our solar system. Each episode dives into cutting-edge science, personal journeys, and the human stories behind astronomical discovery, revealing how today’s researchers are shaping our understanding of exoplanets and the Universe we call home.

1D AGO

Reflecting our World to understand others with Dr Giulia Roccetti

Bring yourself back to Earth through an inspiring chat with Dr Giulia Roccetti, an ESA research fellow at the European Space Astronomy Centre in Madrid. Hosts Jeni and Lorenzo join Giulia for a discussion about the innovative approach of using Earth as a proxy for exoplanet research through the investigation of Earthshine. Giulia’s journey started from her ever-present passion for environmental science, which led her to research that combines atmospheric physics, climate science and exoplanet research. She now develops advanced radiative transfer models to simulate how planets interact with light, using Earth as the test. Listen as Giulia talks us through the ‘pinball’ path of photons between Sun, Earth and Moon, and the complexities of modelling Earth’s atmosphere.

34 min
FEB 2

The Clouds of distant worlds: a chat with Dr Sushuang Ma

Explore the science of one of the trickier components of exoplanet science: clouds, as hosts Jeni and Lorenzo are joined by Dr Sushuang Ma, a researcher at King’s College London. Sushuang’s work centres on modelling and retrieving exoplanetary atmospheres. She shares the significance of temperature and the role it plays in determining the interesting characteristics of clouds, which are not the fluffy white water vapour clouds we are used to. Listen as the conversation guides you through the intriguing clouds of exoplanets and why we must go beyond the simple ‘opaque cloud’ models for the next generation of observations.

33 min
JAN 19

How star spots trick astronomers: a chat with Dr Mayuko Mori

Explore the dark side of stars with Dr Mayuko Mori, a postdoctoral researcher at the Astrobiology Centre in Tokyo. Listen as hosts Jeni and Lorenzo chat with Mayuko about star spots and their significance in exoplanet characterisation. These cooler, darker areas on the surface of a star can lead to potentially misleading discoveries, and therefore, expanding our understanding is crucial for enhancing our knowledge of other worlds. However, it is not just for the pros! Dr Mori calls out to amateur astronomers to get involved in star-spot research. Tune in to discover more about these dark areas of stars, what they mean for exoplanet observations and how you can get involved!

32 min
JAN 5

Inside the Stars: a chat with Dr. Gael Buldgen

Join us for a deep dive inside stars as hosts Jeni and Lorenzo chat with Dr. Gael Buldgen, a postdoctoral researcher at the University of Liège. Gael studies stellar oscillations and probes the internal structure of stars with exquisite precision. He enlightens us about the intricate connection between stars and their exoplanets, capturing the importance of understanding stellar properties for characterising distant worlds. Listen as Gael explains his fascinating view of stars as natural laboratories, with the Sun being ours.

34 min
12/15/2025

The diversity of Rocky Worlds with Dr Oliver Herbort

Explore the diversity of rocky planets with Dr Oliver Herbort, an Ariel Postdoctoral Fellow at the University of Vienna. Hosts Jeni and Lorenzo chat with Oliver about what makes each planet unique, from atmospheric chemistry to the nature of its surface. Oliver reflects on how a lifelong fascination with astronomy led him to study rocky exoplanets, developing models that link atmospheric processes with the composition of planetary surfaces. Prepare to expect the unexpected. From carbon planets to lava worlds, this episode invites you to rethink what a planetary landscape can look like.

33 min
12/01/2025

A Star is born: Growing Worlds begins with Dr Camilla Pezzotti

In this launch of Growing Worlds, hosts Jeni Millard and Lorenzo Mugnai chat with Dr Camilla Pezzotti about the bond between stars and planets. Listen as Camilla guides us through the intricate journey from the birth of stars from gas clouds to the fully formed celestial bodies, beautifully illustrating how the digital world can be used to unravel their mysteries. She draws us in with her admiration for stars and enlightens us about her poetic resonance with Mercury, finding comfort in their shared resilience.

27 min
SEASON 1 TRAILER

Welcome to Growing Worlds

Growing Worlds is a podcast where exoplanet science meets human stories, told through conversations with early-career researchers. In this short introduction, hosts Dr Jenifer Millard and Dr Lorenzo Mugnai are joined by assistant producer Carys Townsend to share what each episode has in store. You will hear a wide range of topics related to our understanding of other worlds, alongside the personal journeys of the researchers behind the work. Tune in as Growing Worlds celebrates the human side of science.

5 min

TRAILER

Welcome to Growing Worlds

Growing Worlds is a podcast where exoplanet science meets human stories, told through conversations with early-career researchers. In this short introduction, hosts Dr Jenifer Millard and Dr Lorenzo Mugnai are joined by assistant producer Carys Townsend to share what each episode has in store. You will hear a wide range of topics related to our understanding of other worlds, alongside the personal journeys of the researchers behind the work. Tune in as Growing Worlds celebrates the human side of science.

S1

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5 min

A podcast shining a light on the early-career researchers leading the search for worlds beyond our solar system. Each episode dives into cutting-edge science, personal journeys, and the human stories behind astronomical discovery, revealing how today’s researchers are shaping our understanding of exoplanets and the Universe we call home.

Creator

Lorenzo Mugnai
Years Active

2025 - 2026
Episodes

7
Rating

Clean
Copyright

© Lorenzo Mugnai
Show Website

Growing Worlds