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Are you ready to flirt with the edge of space?

Plane Light Propeller Propeller Front Avion 3D

At least 10,000 of you will be following the 10,000 m challenge!

More and more following the adventure! The SolarStratos Instagram account has been launched and by Valentine’s Day, we had already […]

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Ready for take-off in 2024!

2023 was an eventful year for SolarStratos – the solar electric aircraft spread the word about the potential for solar […]

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Under the sun…

The sun is still shining brightly – a fact that warms the hearts of those – including the SolarStratos mission […]

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Plane Light Propeller Propeller Front Avion 3D

The challenge

Travelling to the edge of the planet using only renewable energy

The aim is to protect our planet’s climate from greenhouse gases by demonstrating that concepts and projects that seemed inconceivable a short time ago are now possible with the technologies available today.

The plane

Stratospheric solar airplane

The plane

A team of passionate and highly specialised people

Multi-skilling is a must in such an experimental project. The team consists of a mix of aeronautical engineers, pilots, builders and others.


SolarStratos is supported by numerous Swiss companies

The team aims to be international, but is committed to its national roots.

Be part of it

Experience this 21st century eco-exploration

By becoming a member of the “SolarStratos” club, you help promote and support our challenge.