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World's First Wooden Satellite Launched
A Japanese-developed wooden satellite, LignoSat, has launched to test the viability of wood in space, offering a sustainable solution to space debris.
French
France
Climate ChangeInnovationSpace ExplorationSpace DebrisEnvironmental TechnologySustainable Materials
Kyoto UniversitySumitomo ForestrySpacexNasaJapan Aerospace Exploration Agency (Jaxa)
Takao DoiKenji Kariya
- What is LignoSat and what is its primary purpose?
- LignoSat is a 10-centimeter wooden cube satellite launched into orbit to demonstrate the use of wood in space. It's designed to burn up harmlessly in the atmosphere upon re-entry, eliminating the metallic debris pollution associated with traditional satellites.
- What are the key aspects of LignoSat's mission in space?
- The mission's primary goal is to assess the durability and resilience of wood in the extreme conditions of space, where temperatures fluctuate dramatically. This includes testing its ability to withstand temperature variations from -100°C to 100°C.
- How was LignoSat launched and what will happen to it after launch?
- LignoSat was launched aboard a SpaceX rocket as part of a resupply mission to the International Space Station (ISS). After a month at the ISS, it will be deployed into orbit for its six-month mission.
- What type of wood is LignoSat made of, and what construction techniques were used?
- The satellite is made from honoki wood, a type of magnolia from Japan, chosen for its suitability and strength. Traditional Japanese joinery techniques were used to assemble the satellite without glue or screws.
- What is the potential impact of a successful LignoSat mission on the future of satellite technology?
- If successful, this experiment could revolutionize satellite manufacturing by providing an environmentally friendly and sustainable alternative to metal. The use of wood could significantly reduce space debris pollution.