What you’re about to experience
You’re going to witness the birth of stars.
You’re about to set foot on Mars.
You’ll come back with different questions.
The journey
A glimpse of a few passages – the journey has plenty more in store.
he Earth is part of the Solar System, orbiting our star, the Sun. ur Sun is one of hundreds of billions of stars in the Milky Way.
ars is the fourth planet in the Solar System, neighbouring Earth. ts surface is teeming with intriguing geological formations such as giant volcanoes and immense canyons.
Exoplanets located in the habitable zone could harbour life. But they are tens or hundreds of light-years away.
Recognised by the research community and cultural institutions
« *L'Écho de l'Univers* offers a thorough exploration of astrophysical phenomena. It is a unique educational approach that combines scientific rigour with a sense of wonder. »
« We have included *L'Écho de l'Univers* in our science outreach programme. It is an experience that beautifully illustrates the complexity of the cosmos for audiences of all ages. »
La Rotonde · Centre for Science Education
« Cap Sciences is hosting *L'Écho de l'Univers* at its venues. An immersive experience that reflects our mission: to make science accessible and exciting for everyone. »
Cap Sciences · Centre for Science and Technology Education
06/01//2025« An immersive virtual reality experience that takes visitors on a journey through the cosmos »
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04/11/2024« Two young PhD graduates have set up Idiscovr, a virtual reality start-up offering immersive scientific experiences. Their attraction is opening at La Rotonde in Saint-Étienne. »
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23/01/2024« The exhibition attracted more than 1,000 visitors over two weeks at La Rotonde. »
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11/07/2024« Idiscovr aims to revolutionise science communication through immersive virtual reality experiences. »
Read the article01/07/2024« enable viewers to travel astronomical distances without leaving Earth. »
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03/07/2024« RCF’s programme *Coup d’avance* is dedicating an episode to the virtual reality experience in Saint-Étienne that takes visitors on a journey through the cosmos. »
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19/06/2025« A half-hour journey into space, without going via Elon Musk »
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17/11/2025« Good news: you no longer need to join NASA or be called Katy Perry to enjoy this crazy experience. »
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29/10/2025« "A virtual reality experience that takes you on a journey through the cosmos and turns science into an accessible and spectacular adventure." »
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25/03/2026« *L’Écho de l’Univers* opens up a fun gateway to astrophysics. It allows us to experience the infinitely vast on a human scale, offering a virtual window onto something our eyes will probably never see otherwise. »
Read the article06/01//2025« An immersive virtual reality experience that takes visitors on a journey through the cosmos »
Read the article04/11/2024« Two young PhD graduates have set up Idiscovr, a virtual reality start-up offering immersive scientific experiences. Their attraction is opening at La Rotonde in Saint-Étienne. »
Read the article23/01/2024« The exhibition attracted more than 1,000 visitors over two weeks at La Rotonde. »
Read the article11/07/2024« Idiscovr aims to revolutionise science communication through immersive virtual reality experiences. »
Read the article01/07/2024« enable viewers to travel astronomical distances without leaving Earth. »
Read the article03/07/2024« RCF’s programme *Coup d’avance* is dedicating an episode to the virtual reality experience in Saint-Étienne that takes visitors on a journey through the cosmos. »
Read the article19/06/2025« A half-hour journey into space, without going via Elon Musk »
Read the article17/11/2025« Good news: you no longer need to join NASA or be called Katy Perry to enjoy this crazy experience. »
Read the article29/10/2025« "A virtual reality experience that takes you on a journey through the cosmos and turns science into an accessible and spectacular adventure." »
Read the article25/03/2026« *L’Écho de l’Univers* opens up a fun gateway to astrophysics. It allows us to experience the infinitely vast on a human scale, offering a virtual window onto something our eyes will probably never see otherwise. »
Read the article06/01//2025« An immersive virtual reality experience that takes visitors on a journey through the cosmos »
Read the article04/11/2024« Two young PhD graduates have set up Idiscovr, a virtual reality start-up offering immersive scientific experiences. Their attraction is opening at La Rotonde in Saint-Étienne. »
Read the article23/01/2024« The exhibition attracted more than 1,000 visitors over two weeks at La Rotonde. »
Read the article11/07/2024« Idiscovr aims to revolutionise science communication through immersive virtual reality experiences. »
Read the article01/07/2024« enable viewers to travel astronomical distances without leaving Earth. »
Read the article03/07/2024« RCF’s programme *Coup d’avance* is dedicating an episode to the virtual reality experience in Saint-Étienne that takes visitors on a journey through the cosmos. »
Read the article19/06/2025« A half-hour journey into space, without going via Elon Musk »
Read the article17/11/2025« Good news: you no longer need to join NASA or be called Katy Perry to enjoy this crazy experience. »
Read the article29/10/2025« "A virtual reality experience that takes you on a journey through the cosmos and turns science into an accessible and spectacular adventure." »
Read the article25/03/2026« *L’Écho de l’Univers* opens up a fun gateway to astrophysics. It allows us to experience the infinitely vast on a human scale, offering a virtual window onto something our eyes will probably never see otherwise. »
Read the article
Share the wonder with children aged 8 and over. An experience that brings generations together.
A day out that’s truly out of the ordinary.
Up to 16 people can travel at the same time.
Perfect – the vast majority of our guests are experiencing virtual reality for the first time. Our headsets are wireless and lightweight. Our team will guide you through the whole process from start to finish. No experience is required.
The experience is suitable for children aged 8 and over, with no scary content or sudden movements. Our headsets are cleaned between each session. Anyone prone to travel sickness should speak to our team at reception.
Sessions are limited to a maximum of 16 people and fill up quickly, especially at weekends. We strongly recommend booking online to secure your place.
Practical info
Monday & Tuesday Closed
Wednesday to Friday 2pm–7pm
Saturday & Sunday 10am–12pm · 1.20pm–7pm
Monday to Saturday 10am–12pm · 1.20pm–8pm
Sunday 10am–12pm · 1.20pm–7pm
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