The Tree that took us to Space!

Did you know that a simple tree, the Cork Oak, has played a crucial role in our journey to the stars? Yes, that’s right! This tree, known for its unique bark, has contributed significantly to space exploration, and it’s a story that’s as fascinating as it is surprising.

The Remarkable Bark of the Cork Oak

The cork oak is a type of evergreen tree native to southwestern Europe and northwestern Africa. But what makes this tree truly special is its bark. Unlike most trees, the bark of the cork oak regrows every 10 years. This has made it a sustainable source of cork, the same material that’s used in wine bottles, floor tiles, and even musical instruments. But that’s just the start of its impressive resume.

The Unexpected Use of Cork in Space Exploration

While you might know cork for its role in preserving your favorite vino or giving you a comfortable surface to walk on, it has also been used in a very different and surprising way: as a heat shield in space missions. Yes, you read that right – the same cork that’s on your wine bottles has been used to protect astronauts from the extreme temperatures they encounter during space travel.

From Wine Bottles to Moon Missions

The story of how cork made it from the bark of a tree to the surface of the Moon is a testament to human ingenuity. The material’s unique properties, including its light weight, resistance to heat, and ability to withstand high pressures, made it an ideal choice for the heat shields used in the Apollo missions to the Moon. These shields were crucial in protecting the spacecraft and their occupants from the intense heat generated during re-entry into Earth’s atmosphere.


In conclusion, the humble cork oak tree, with its regenerative bark, has played an unexpected but crucial role in our journey to the stars. So, the next time you open a bottle of wine or walk on a cork floor, take a moment to appreciate this remarkable tree and its contribution to space exploration.

Frederik Lamote

Frederik is the founder of, a startup that is 3D printing Treehouses. While exploring treehouse locations around the world he got fascinated by the value and products trees produce.

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